426999890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 822362112

約数和(自身を除く): 395362222

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 103, 155, 206, 215, 310, 311, 430, 515, 622, 1030, 1333, 1555, 2666, 3110, 3193, 4429, 6386, 6665, 8858, 9641, 13330, 13373, 15965, 19282, 22145, 26746, 31930, 32033, 44290, 48205, 64066, 66865, 96410, 133730, 137299, 160165, 274598, 320330, 414563, 686495, 829126, 993023, 1372990, 1377419, 1986046, 2072815, 2754838, 4145630, 4965115, 6887095, 9930230, 13774190, 42699989, 85399978, 213499945, 426999890]

約数ペア:

[(1, 426999890), (2, 213499945), (5, 85399978), (10, 42699989), (31, 13774190), (43, 9930230), (62, 6887095), (86, 4965115), (103, 4145630), (155, 2754838), (206, 2072815), (215, 1986046), (310, 1377419), (311, 1372990), (430, 993023), (515, 829126), (622, 686495), (1030, 414563), (1333, 320330), (1555, 274598), (2666, 160165), (3110, 137299), (3193, 133730), (4429, 96410), (6386, 66865), (6665, 64066), (8858, 48205), (9641, 44290), (13330, 32033), (13373, 31930), (15965, 26746), (19282, 22145)]