258396656

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3982

約数の個数: 80

約数和(自身を含む): 621864960

約数和(自身を除く): 363468304

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1736, 2128, 2356, 3472, 3917, 4123, 4712, 7834, 8246, 9424, 15668, 16492, 27419, 31336, 32984, 54838, 62672, 65968, 74423, 109676, 121427, 148846, 219352, 242854, 297692, 438704, 485708, 520961, 595384, 849989, 971416, 1041922, 1190768, 1699978, 1942832, 2083844, 2307113, 3399956, 4167688, 4614226, 6799912, 8335376, 9228452, 13599824, 16149791, 18456904, 32299582, 36913808, 64599164, 129198328, 258396656]

約数ペア:

[(1, 258396656), (2, 129198328), (4, 64599164), (7, 36913808), (8, 32299582), (14, 18456904), (16, 16149791), (19, 13599824), (28, 9228452), (31, 8335376), (38, 6799912), (56, 4614226), (62, 4167688), (76, 3399956), (112, 2307113), (124, 2083844), (133, 1942832), (152, 1699978), (217, 1190768), (248, 1041922), (266, 971416), (304, 849989), (434, 595384), (496, 520961), (532, 485708), (589, 438704), (868, 297692), (1064, 242854), (1178, 219352), (1736, 148846), (2128, 121427), (2356, 109676), (3472, 74423), (3917, 65968), (4123, 62672), (4712, 54838), (7834, 32984), (8246, 31336), (9424, 27419), (15668, 16492)]