28697816

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 64757760

約数和(自身を除く): 36059944

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 61, 62, 122, 124, 217, 244, 248, 271, 427, 434, 488, 542, 854, 868, 1084, 1708, 1736, 1891, 1897, 2168, 3416, 3782, 3794, 7564, 7588, 8401, 13237, 15128, 15176, 16531, 16802, 26474, 33062, 33604, 52948, 58807, 66124, 67208, 105896, 115717, 117614, 132248, 231434, 235228, 462868, 470456, 512461, 925736, 1024922, 2049844, 3587227, 4099688, 7174454, 14348908, 28697816]

約数ペア:

[(1, 28697816), (2, 14348908), (4, 7174454), (7, 4099688), (8, 3587227), (14, 2049844), (28, 1024922), (31, 925736), (56, 512461), (61, 470456), (62, 462868), (122, 235228), (124, 231434), (217, 132248), (244, 117614), (248, 115717), (271, 105896), (427, 67208), (434, 66124), (488, 58807), (542, 52948), (854, 33604), (868, 33062), (1084, 26474), (1708, 16802), (1736, 16531), (1891, 15176), (1897, 15128), (2168, 13237), (3416, 8401), (3782, 7588), (3794, 7564)]