87837988

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 190881600

約数和(自身を除く): 103043612

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 103, 133, 196, 206, 229, 266, 412, 458, 532, 721, 916, 931, 1442, 1603, 1862, 1957, 2884, 3206, 3724, 3914, 4351, 5047, 6412, 7828, 8702, 10094, 11221, 13699, 17404, 20188, 22442, 23587, 27398, 30457, 44884, 47174, 54796, 60914, 94348, 95893, 121828, 165109, 191786, 213199, 330218, 383572, 426398, 448153, 660436, 852796, 896306, 1155763, 1792612, 2311526, 3137071, 4623052, 6274142, 12548284, 21959497, 43918994, 87837988]

約数ペア:

[(1, 87837988), (2, 43918994), (4, 21959497), (7, 12548284), (14, 6274142), (19, 4623052), (28, 3137071), (38, 2311526), (49, 1792612), (76, 1155763), (98, 896306), (103, 852796), (133, 660436), (196, 448153), (206, 426398), (229, 383572), (266, 330218), (412, 213199), (458, 191786), (532, 165109), (721, 121828), (916, 95893), (931, 94348), (1442, 60914), (1603, 54796), (1862, 47174), (1957, 44884), (2884, 30457), (3206, 27398), (3724, 23587), (3914, 22442), (4351, 20188), (5047, 17404), (6412, 13699), (7828, 11221), (8702, 10094)]