1661235968

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 4038289920

約数和(自身を除く): 2377053952

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 97, 112, 128, 133, 152, 194, 224, 256, 266, 304, 388, 448, 503, 532, 608, 679, 776, 896, 1006, 1064, 1216, 1358, 1552, 1792, 1843, 2012, 2128, 2432, 2716, 3104, 3521, 3686, 4024, 4256, 4864, 5432, 6208, 7042, 7372, 8048, 8512, 9557, 10864, 12416, 12901, 14084, 14744, 16096, 17024, 19114, 21728, 24832, 25802, 28168, 29488, 32192, 34048, 38228, 43456, 48791, 51604, 56336, 58976, 64384, 66899, 76456, 86912, 97582, 103208, 112672, 117952, 128768, 133798, 152912, 173824, 195164, 206416, 225344, 235904, 267596, 305824, 341537, 390328, 412832, 450688, 471808, 535192, 611648, 683074, 780656, 825664, 901376, 927029, 1070384, 1223296, 1366148, 1561312, 1651328, 1854058, 2140768, 2446592, 2732296, 3122624, 3302656, 3708116, 4281536, 5464592, 6245248, 6489203, 7416232, 8563072, 10929184, 12490496, 12978406, 14832464, 17126144, 21858368, 25956812, 29664928, 43716736, 51913624, 59329856, 87433472, 103827248, 118659712, 207654496, 237319424, 415308992, 830617984, 1661235968]

約数ペア:

[(1, 1661235968), (2, 830617984), (4, 415308992), (7, 237319424), (8, 207654496), (14, 118659712), (16, 103827248), (19, 87433472), (28, 59329856), (32, 51913624), (38, 43716736), (56, 29664928), (64, 25956812), (76, 21858368), (97, 17126144), (112, 14832464), (128, 12978406), (133, 12490496), (152, 10929184), (194, 8563072), (224, 7416232), (256, 6489203), (266, 6245248), (304, 5464592), (388, 4281536), (448, 3708116), (503, 3302656), (532, 3122624), (608, 2732296), (679, 2446592), (776, 2140768), (896, 1854058), (1006, 1651328), (1064, 1561312), (1216, 1366148), (1358, 1223296), (1552, 1070384), (1792, 927029), (1843, 901376), (2012, 825664), (2128, 780656), (2432, 683074), (2716, 611648), (3104, 535192), (3521, 471808), (3686, 450688), (4024, 412832), (4256, 390328), (4864, 341537), (5432, 305824), (6208, 267596), (7042, 235904), (7372, 225344), (8048, 206416), (8512, 195164), (9557, 173824), (10864, 152912), (12416, 133798), (12901, 128768), (14084, 117952), (14744, 112672), (16096, 103208), (17024, 97582), (19114, 86912), (21728, 76456), (24832, 66899), (25802, 64384), (28168, 58976), (29488, 56336), (32192, 51604), (34048, 48791), (38228, 43456)]