31245764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 30443836

約数列:

[1, 2, 4, 11, 22, 44, 79, 89, 101, 158, 178, 202, 316, 356, 404, 869, 979, 1111, 1738, 1958, 2222, 3476, 3916, 4444, 7031, 7979, 8989, 14062, 15958, 17978, 28124, 31916, 35956, 77341, 87769, 98879, 154682, 175538, 197758, 309364, 351076, 395516, 710131, 1420262, 2840524, 7811441, 15622882, 31245764]

約数ペア:

[(1, 31245764), (2, 15622882), (4, 7811441), (11, 2840524), (22, 1420262), (44, 710131), (79, 395516), (89, 351076), (101, 309364), (158, 197758), (178, 175538), (202, 154682), (316, 98879), (356, 87769), (404, 77341), (869, 35956), (979, 31916), (1111, 28124), (1738, 17978), (1958, 15958), (2222, 14062), (3476, 8989), (3916, 7979), (4444, 7031)]