31421152

素因数分解:

$2^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:744

約数の個数: 72

約数和(自身を含む): 74549160

約数和(自身を除く): 43128008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 98, 112, 116, 196, 203, 224, 232, 392, 406, 464, 691, 784, 812, 928, 1382, 1421, 1568, 1624, 2764, 2842, 3248, 4837, 5528, 5684, 6496, 9674, 11056, 11368, 19348, 20039, 22112, 22736, 33859, 38696, 40078, 45472, 67718, 77392, 80156, 135436, 140273, 154784, 160312, 270872, 280546, 320624, 541744, 561092, 641248, 981911, 1083488, 1122184, 1963822, 2244368, 3927644, 4488736, 7855288, 15710576, 31421152]

約数ペア:

[(1, 31421152), (2, 15710576), (4, 7855288), (7, 4488736), (8, 3927644), (14, 2244368), (16, 1963822), (28, 1122184), (29, 1083488), (32, 981911), (49, 641248), (56, 561092), (58, 541744), (98, 320624), (112, 280546), (116, 270872), (196, 160312), (203, 154784), (224, 140273), (232, 135436), (392, 80156), (406, 77392), (464, 67718), (691, 45472), (784, 40078), (812, 38696), (928, 33859), (1382, 22736), (1421, 22112), (1568, 20039), (1624, 19348), (2764, 11368), (2842, 11056), (3248, 9674), (4837, 6496), (5528, 5684)]