397718664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{3659}}^1$

素因数の和:4322

約数の個数: 64

約数和(自身を含む): 1138406400

約数和(自身を除く): 740687736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 647, 1294, 1941, 2588, 3659, 3882, 4529, 5176, 7318, 7764, 9058, 10977, 13587, 14636, 15528, 18116, 21954, 25613, 27174, 29272, 36232, 43908, 51226, 54348, 76839, 87816, 102452, 108696, 153678, 204904, 307356, 614712, 2367373, 4734746, 7102119, 9469492, 14204238, 16571611, 18938984, 28408476, 33143222, 49714833, 56816952, 66286444, 99429666, 132572888, 198859332, 397718664]

約数ペア:

[(1, 397718664), (2, 198859332), (3, 132572888), (4, 99429666), (6, 66286444), (7, 56816952), (8, 49714833), (12, 33143222), (14, 28408476), (21, 18938984), (24, 16571611), (28, 14204238), (42, 9469492), (56, 7102119), (84, 4734746), (168, 2367373), (647, 614712), (1294, 307356), (1941, 204904), (2588, 153678), (3659, 108696), (3882, 102452), (4529, 87816), (5176, 76839), (7318, 54348), (7764, 51226), (9058, 43908), (10977, 36232), (13587, 29272), (14636, 27174), (15528, 25613), (18116, 21954)]