681275518

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 1311552000

約数和(自身を除く): 630276482

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 137, 154, 274, 343, 539, 659, 686, 959, 1078, 1318, 1507, 1918, 3014, 3773, 4613, 6713, 7249, 7546, 9226, 10549, 13426, 14498, 21098, 32291, 46991, 50743, 64582, 73843, 90283, 93982, 101486, 147686, 180566, 226037, 355201, 452074, 516901, 631981, 710402, 993113, 1033802, 1263962, 1986226, 2486407, 4423867, 4972814, 6951791, 8847734, 13903582, 30967069, 48662537, 61934138, 97325074, 340637759, 681275518]

約数ペア:

[(1, 681275518), (2, 340637759), (7, 97325074), (11, 61934138), (14, 48662537), (22, 30967069), (49, 13903582), (77, 8847734), (98, 6951791), (137, 4972814), (154, 4423867), (274, 2486407), (343, 1986226), (539, 1263962), (659, 1033802), (686, 993113), (959, 710402), (1078, 631981), (1318, 516901), (1507, 452074), (1918, 355201), (3014, 226037), (3773, 180566), (4613, 147686), (6713, 101486), (7249, 93982), (7546, 90283), (9226, 73843), (10549, 64582), (13426, 50743), (14498, 46991), (21098, 32291)]