489491984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{51941}}^1$

素因数の和:51999

約数の個数: 40

約数和(自身を含む): 1030529280

約数和(自身を除く): 541037296

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 51941, 103882, 207764, 415528, 831056, 986879, 1610171, 1973758, 3220342, 3947516, 6440684, 7895032, 12881368, 15790064, 25762736, 30593249, 61186498, 122372996, 244745992, 489491984]

約数ペア:

[(1, 489491984), (2, 244745992), (4, 122372996), (8, 61186498), (16, 30593249), (19, 25762736), (31, 15790064), (38, 12881368), (62, 7895032), (76, 6440684), (124, 3947516), (152, 3220342), (248, 1973758), (304, 1610171), (496, 986879), (589, 831056), (1178, 415528), (2356, 207764), (4712, 103882), (9424, 51941)]