289982308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 661118976

約数和(自身を除く): 371136668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 154, 217, 242, 251, 308, 341, 434, 484, 502, 682, 847, 868, 1004, 1331, 1364, 1694, 1757, 2387, 2662, 2761, 3388, 3514, 3751, 4774, 5324, 5522, 7028, 7502, 7781, 9317, 9548, 11044, 15004, 15562, 18634, 19327, 26257, 30371, 31124, 37268, 38654, 41261, 52514, 54467, 60742, 77308, 82522, 85591, 105028, 108934, 121484, 165044, 171182, 212597, 217868, 288827, 334081, 342364, 425194, 577654, 599137, 668162, 850388, 941501, 1155308, 1198274, 1336324, 1883002, 2338567, 2396548, 3766004, 4677134, 6590507, 9354268, 10356511, 13181014, 20713022, 26362028, 41426044, 72495577, 144991154, 289982308]

約数ペア:

[(1, 289982308), (2, 144991154), (4, 72495577), (7, 41426044), (11, 26362028), (14, 20713022), (22, 13181014), (28, 10356511), (31, 9354268), (44, 6590507), (62, 4677134), (77, 3766004), (121, 2396548), (124, 2338567), (154, 1883002), (217, 1336324), (242, 1198274), (251, 1155308), (308, 941501), (341, 850388), (434, 668162), (484, 599137), (502, 577654), (682, 425194), (847, 342364), (868, 334081), (1004, 288827), (1331, 217868), (1364, 212597), (1694, 171182), (1757, 165044), (2387, 121484), (2662, 108934), (2761, 105028), (3388, 85591), (3514, 82522), (3751, 77308), (4774, 60742), (5324, 54467), (5522, 52514), (7028, 41261), (7502, 38654), (7781, 37268), (9317, 31124), (9548, 30371), (11044, 26257), (15004, 19327), (15562, 18634)]