258920116

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 571202016

約数和(自身を除く): 312281900

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 307, 331, 364, 614, 637, 662, 1228, 1274, 1324, 2149, 2317, 2548, 3991, 4298, 4303, 4634, 7982, 8596, 8606, 9268, 15043, 15964, 16219, 17212, 27937, 30086, 30121, 32438, 55874, 60172, 60242, 64876, 101617, 111748, 120484, 195559, 203234, 210847, 391118, 406468, 421694, 711319, 782236, 843388, 1321021, 1422638, 2642042, 2845276, 4979233, 5284084, 9247147, 9958466, 18494294, 19916932, 36988588, 64730029, 129460058, 258920116]

約数ペア:

[(1, 258920116), (2, 129460058), (4, 64730029), (7, 36988588), (13, 19916932), (14, 18494294), (26, 9958466), (28, 9247147), (49, 5284084), (52, 4979233), (91, 2845276), (98, 2642042), (182, 1422638), (196, 1321021), (307, 843388), (331, 782236), (364, 711319), (614, 421694), (637, 406468), (662, 391118), (1228, 210847), (1274, 203234), (1324, 195559), (2149, 120484), (2317, 111748), (2548, 101617), (3991, 64876), (4298, 60242), (4303, 60172), (4634, 55874), (7982, 32438), (8596, 30121), (8606, 30086), (9268, 27937), (15043, 17212), (15964, 16219)]