201878378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{3407}}^1$

素因数の和:3518

約数の個数: 32

約数和(自身を含む): 340091136

約数和(自身を除く): 138212758

約数列:

[1, 2, 13, 26, 43, 53, 86, 106, 559, 689, 1118, 1378, 2279, 3407, 4558, 6814, 29627, 44291, 59254, 88582, 146501, 180571, 293002, 361142, 1904513, 2347423, 3809026, 4694846, 7764553, 15529106, 100939189, 201878378]

約数ペア:

[(1, 201878378), (2, 100939189), (13, 15529106), (26, 7764553), (43, 4694846), (53, 3809026), (86, 2347423), (106, 1904513), (559, 361142), (689, 293002), (1118, 180571), (1378, 146501), (2279, 88582), (3407, 59254), (4558, 44291), (6814, 29627)]