31495436

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 68047056

約数和(自身を除く): 36551620

約数列:

[1, 2, 4, 7, 14, 28, 37, 43, 49, 74, 86, 98, 101, 148, 172, 196, 202, 259, 301, 404, 518, 602, 707, 1036, 1204, 1414, 1591, 1813, 2107, 2828, 3182, 3626, 3737, 4214, 4343, 4949, 6364, 7252, 7474, 8428, 8686, 9898, 11137, 14948, 17372, 19796, 22274, 26159, 30401, 44548, 52318, 60802, 77959, 104636, 121604, 155918, 160691, 183113, 212807, 311836, 321382, 366226, 425614, 642764, 732452, 851228, 1124837, 2249674, 4499348, 7873859, 15747718, 31495436]

約数ペア:

[(1, 31495436), (2, 15747718), (4, 7873859), (7, 4499348), (14, 2249674), (28, 1124837), (37, 851228), (43, 732452), (49, 642764), (74, 425614), (86, 366226), (98, 321382), (101, 311836), (148, 212807), (172, 183113), (196, 160691), (202, 155918), (259, 121604), (301, 104636), (404, 77959), (518, 60802), (602, 52318), (707, 44548), (1036, 30401), (1204, 26159), (1414, 22274), (1591, 19796), (1813, 17372), (2107, 14948), (2828, 11137), (3182, 9898), (3626, 8686), (3737, 8428), (4214, 7474), (4343, 7252), (4949, 6364)]