72431278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 116992512

約数和(自身を除く): 44561234

約数列:

[1, 2, 23, 46, 61, 83, 122, 166, 311, 622, 1403, 1909, 2806, 3818, 5063, 7153, 10126, 14306, 18971, 25813, 37942, 51626, 116449, 232898, 436333, 593699, 872666, 1187398, 1574593, 3149186, 36215639, 72431278]

約数ペア:

[(1, 72431278), (2, 36215639), (23, 3149186), (46, 1574593), (61, 1187398), (83, 872666), (122, 593699), (166, 436333), (311, 232898), (622, 116449), (1403, 51626), (1909, 37942), (2806, 25813), (3818, 18971), (5063, 14306), (7153, 10126)]