31220514

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 73624824

約数和(自身を除く): 42404310

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 101, 117, 202, 234, 303, 606, 909, 1313, 1321, 1818, 2626, 2642, 3939, 3963, 7878, 7926, 11817, 11889, 17173, 23634, 23778, 34346, 51519, 103038, 133421, 154557, 266842, 309114, 400263, 800526, 1200789, 1734473, 2401578, 3468946, 5203419, 10406838, 15610257, 31220514]

約数ペア:

[(1, 31220514), (2, 15610257), (3, 10406838), (6, 5203419), (9, 3468946), (13, 2401578), (18, 1734473), (26, 1200789), (39, 800526), (78, 400263), (101, 309114), (117, 266842), (202, 154557), (234, 133421), (303, 103038), (606, 51519), (909, 34346), (1313, 23778), (1321, 23634), (1818, 17173), (2626, 11889), (2642, 11817), (3939, 7926), (3963, 7878)]