1781955964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{4253}}^1$

素因数の和:4462

約数の個数: 48

約数和(自身を含む): 3394692000

約数和(自身を除く): 1612736036

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 149, 298, 596, 703, 1406, 2812, 2831, 4253, 5513, 5662, 8506, 11026, 11324, 17012, 22052, 80807, 104747, 157361, 161614, 209494, 314722, 323228, 418988, 629444, 633697, 1267394, 2534788, 2989859, 5979718, 11959436, 12040243, 23446789, 24080486, 46893578, 48160972, 93787156, 445488991, 890977982, 1781955964]

約数ペア:

[(1, 1781955964), (2, 890977982), (4, 445488991), (19, 93787156), (37, 48160972), (38, 46893578), (74, 24080486), (76, 23446789), (148, 12040243), (149, 11959436), (298, 5979718), (596, 2989859), (703, 2534788), (1406, 1267394), (2812, 633697), (2831, 629444), (4253, 418988), (5513, 323228), (5662, 314722), (8506, 209494), (11026, 161614), (11324, 157361), (17012, 104747), (22052, 80807)]