256888816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27259}}^1$

素因数の和:27317

約数の個数: 40

約数和(自身を含む): 540838400

約数和(自身を除く): 283949584

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 27259, 54518, 109036, 218072, 436144, 517921, 845029, 1035842, 1690058, 2071684, 3380116, 4143368, 6760232, 8286736, 13520464, 16055551, 32111102, 64222204, 128444408, 256888816]

約数ペア:

[(1, 256888816), (2, 128444408), (4, 64222204), (8, 32111102), (16, 16055551), (19, 13520464), (31, 8286736), (38, 6760232), (62, 4143368), (76, 3380116), (124, 2071684), (152, 1690058), (248, 1035842), (304, 845029), (496, 517921), (589, 436144), (1178, 218072), (2356, 109036), (4712, 54518), (9424, 27259)]