889991648

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9859}}^1$

素因数の和:9920

約数の個数: 96

約数和(自身を含む): 2226309120

約数和(自身を除く): 1336317472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 496, 728, 806, 868, 992, 1456, 1612, 1736, 2821, 2912, 3224, 3472, 5642, 6448, 6944, 9859, 11284, 12896, 19718, 22568, 39436, 45136, 69013, 78872, 90272, 128167, 138026, 157744, 256334, 276052, 305629, 315488, 512668, 552104, 611258, 897169, 1025336, 1104208, 1222516, 1794338, 2050672, 2139403, 2208416, 2445032, 3588676, 3973177, 4101344, 4278806, 4890064, 7177352, 7946354, 8557612, 9780128, 14354704, 15892708, 17115224, 27812239, 28709408, 31785416, 34230448, 55624478, 63570832, 68460896, 111248956, 127141664, 222497912, 444995824, 889991648]

約数ペア:

[(1, 889991648), (2, 444995824), (4, 222497912), (7, 127141664), (8, 111248956), (13, 68460896), (14, 63570832), (16, 55624478), (26, 34230448), (28, 31785416), (31, 28709408), (32, 27812239), (52, 17115224), (56, 15892708), (62, 14354704), (91, 9780128), (104, 8557612), (112, 7946354), (124, 7177352), (182, 4890064), (208, 4278806), (217, 4101344), (224, 3973177), (248, 3588676), (364, 2445032), (403, 2208416), (416, 2139403), (434, 2050672), (496, 1794338), (728, 1222516), (806, 1104208), (868, 1025336), (992, 897169), (1456, 611258), (1612, 552104), (1736, 512668), (2821, 315488), (2912, 305629), (3224, 276052), (3472, 256334), (5642, 157744), (6448, 138026), (6944, 128167), (9859, 90272), (11284, 78872), (12896, 69013), (19718, 45136), (22568, 39436)]