40939418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 68245632

約数和(自身を除く): 27306214

約数列:

[1, 2, 13, 26, 61, 83, 122, 166, 311, 622, 793, 1079, 1586, 2158, 4043, 5063, 8086, 10126, 18971, 25813, 37942, 51626, 65819, 131638, 246623, 335569, 493246, 671138, 1574593, 3149186, 20469709, 40939418]

約数ペア:

[(1, 40939418), (2, 20469709), (13, 3149186), (26, 1574593), (61, 671138), (83, 493246), (122, 335569), (166, 246623), (311, 131638), (622, 65819), (793, 51626), (1079, 37942), (1586, 25813), (2158, 18971), (4043, 10126), (5063, 8086)]