161553896

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3282

約数の個数: 64

約数和(自身を含む): 369792000

約数和(自身を除く): 208238104

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 434, 812, 868, 899, 1624, 1736, 1798, 3209, 3596, 6293, 6418, 7192, 12586, 12836, 22463, 25172, 25672, 44926, 50344, 89852, 93061, 99479, 179704, 186122, 198958, 372244, 397916, 651427, 696353, 744488, 795832, 1302854, 1392706, 2605708, 2785412, 2884891, 5211416, 5570824, 5769782, 11539564, 20194237, 23079128, 40388474, 80776948, 161553896]

約数ペア:

[(1, 161553896), (2, 80776948), (4, 40388474), (7, 23079128), (8, 20194237), (14, 11539564), (28, 5769782), (29, 5570824), (31, 5211416), (56, 2884891), (58, 2785412), (62, 2605708), (116, 1392706), (124, 1302854), (203, 795832), (217, 744488), (232, 696353), (248, 651427), (406, 397916), (434, 372244), (812, 198958), (868, 186122), (899, 179704), (1624, 99479), (1736, 93061), (1798, 89852), (3209, 50344), (3596, 44926), (6293, 25672), (6418, 25172), (7192, 22463), (12586, 12836)]