128434984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 265305600

約数和(自身を除く): 136870616

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 97, 124, 152, 194, 248, 281, 388, 562, 589, 776, 1124, 1178, 1843, 2248, 2356, 3007, 3686, 4712, 5339, 6014, 7372, 8711, 10678, 12028, 14744, 17422, 21356, 24056, 27257, 34844, 42712, 54514, 57133, 69688, 109028, 114266, 165509, 218056, 228532, 331018, 457064, 517883, 662036, 844967, 1035766, 1324072, 1689934, 2071532, 3379868, 4143064, 6759736, 16054373, 32108746, 64217492, 128434984]

約数ペア:

[(1, 128434984), (2, 64217492), (4, 32108746), (8, 16054373), (19, 6759736), (31, 4143064), (38, 3379868), (62, 2071532), (76, 1689934), (97, 1324072), (124, 1035766), (152, 844967), (194, 662036), (248, 517883), (281, 457064), (388, 331018), (562, 228532), (589, 218056), (776, 165509), (1124, 114266), (1178, 109028), (1843, 69688), (2248, 57133), (2356, 54514), (3007, 42712), (3686, 34844), (4712, 27257), (5339, 24056), (6014, 21356), (7372, 17422), (8711, 14744), (10678, 12028)]