1640994348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{673643}}^1$

素因数の和:673686

約数の個数: 48

約数和(自身を含む): 4526887680

約数和(自身を除く): 2885893332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 673643, 1347286, 2020929, 2694572, 4041858, 4715501, 8083716, 9431002, 14146503, 18862004, 19535647, 28293006, 39071294, 56586012, 58606941, 78142588, 117213882, 136749529, 234427764, 273499058, 410248587, 546998116, 820497174, 1640994348]

約数ペア:

[(1, 1640994348), (2, 820497174), (3, 546998116), (4, 410248587), (6, 273499058), (7, 234427764), (12, 136749529), (14, 117213882), (21, 78142588), (28, 58606941), (29, 56586012), (42, 39071294), (58, 28293006), (84, 19535647), (87, 18862004), (116, 14146503), (174, 9431002), (203, 8083716), (348, 4715501), (406, 4041858), (609, 2694572), (812, 2020929), (1218, 1347286), (2436, 673643)]