641038476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{18427}}^1$

素因数の和:18670

約数の個数: 48

約数和(自身を含む): 1618125824

約数和(自身を除く): 977087348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 223, 446, 669, 892, 1338, 2676, 2899, 5798, 8697, 11596, 17394, 18427, 34788, 36854, 55281, 73708, 110562, 221124, 239551, 479102, 718653, 958204, 1437306, 2874612, 4109221, 8218442, 12327663, 16436884, 24655326, 49310652, 53419873, 106839746, 160259619, 213679492, 320519238, 641038476]

約数ペア:

[(1, 641038476), (2, 320519238), (3, 213679492), (4, 160259619), (6, 106839746), (12, 53419873), (13, 49310652), (26, 24655326), (39, 16436884), (52, 12327663), (78, 8218442), (156, 4109221), (223, 2874612), (446, 1437306), (669, 958204), (892, 718653), (1338, 479102), (2676, 239551), (2899, 221124), (5798, 110562), (8697, 73708), (11596, 55281), (17394, 36854), (18427, 34788)]