628703488

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4441}}^1$

素因数の和:4543

約数の個数: 72

約数和(自身を含む): 1452711680

約数和(自身を除く): 824008192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 553, 632, 896, 1106, 1264, 1792, 2212, 2528, 4424, 4441, 5056, 8848, 8882, 10112, 17696, 17764, 20224, 31087, 35392, 35528, 62174, 70784, 71056, 124348, 141568, 142112, 248696, 284224, 350839, 497392, 568448, 701678, 994784, 1136896, 1403356, 1989568, 2455873, 2806712, 3979136, 4911746, 5613424, 7958272, 9823492, 11226848, 19646984, 22453696, 39293968, 44907392, 78587936, 89814784, 157175872, 314351744, 628703488]

約数ペア:

[(1, 628703488), (2, 314351744), (4, 157175872), (7, 89814784), (8, 78587936), (14, 44907392), (16, 39293968), (28, 22453696), (32, 19646984), (56, 11226848), (64, 9823492), (79, 7958272), (112, 5613424), (128, 4911746), (158, 3979136), (224, 2806712), (256, 2455873), (316, 1989568), (448, 1403356), (553, 1136896), (632, 994784), (896, 701678), (1106, 568448), (1264, 497392), (1792, 350839), (2212, 284224), (2528, 248696), (4424, 142112), (4441, 141568), (5056, 124348), (8848, 71056), (8882, 70784), (10112, 62174), (17696, 35528), (17764, 35392), (20224, 31087)]