1721561044

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:657

約数の個数: 96

約数和(自身を含む): 3719985920

約数和(自身を除く): 1998424876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 97, 133, 146, 194, 266, 292, 388, 457, 511, 532, 679, 914, 1022, 1358, 1387, 1828, 1843, 2044, 2716, 2774, 3199, 3686, 5548, 6398, 7081, 7372, 8683, 9709, 12796, 12901, 14162, 17366, 19418, 25802, 28324, 33361, 34732, 38836, 44329, 49567, 51604, 60781, 66722, 88658, 99134, 121562, 133444, 134539, 177316, 198268, 233527, 243124, 269078, 310303, 467054, 538156, 620606, 633859, 842251, 934108, 941773, 1241212, 1267718, 1684502, 1883546, 2535436, 3236017, 3369004, 3767092, 4437013, 5895757, 6472034, 8874026, 11791514, 12944068, 17748052, 22652119, 23583028, 45304238, 61484323, 90608476, 122968646, 245937292, 430390261, 860780522, 1721561044]

約数ペア:

[(1, 1721561044), (2, 860780522), (4, 430390261), (7, 245937292), (14, 122968646), (19, 90608476), (28, 61484323), (38, 45304238), (73, 23583028), (76, 22652119), (97, 17748052), (133, 12944068), (146, 11791514), (194, 8874026), (266, 6472034), (292, 5895757), (388, 4437013), (457, 3767092), (511, 3369004), (532, 3236017), (679, 2535436), (914, 1883546), (1022, 1684502), (1358, 1267718), (1387, 1241212), (1828, 941773), (1843, 934108), (2044, 842251), (2716, 633859), (2774, 620606), (3199, 538156), (3686, 467054), (5548, 310303), (6398, 269078), (7081, 243124), (7372, 233527), (8683, 198268), (9709, 177316), (12796, 134539), (12901, 133444), (14162, 121562), (17366, 99134), (19418, 88658), (25802, 66722), (28324, 60781), (33361, 51604), (34732, 49567), (38836, 44329)]