31033210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 64012032

約数和(自身を除く): 32978822

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 97, 107, 115, 130, 194, 214, 230, 299, 485, 535, 598, 970, 1070, 1261, 1391, 1495, 2231, 2461, 2522, 2782, 2990, 4462, 4922, 6305, 6955, 10379, 11155, 12305, 12610, 13910, 20758, 22310, 24610, 29003, 31993, 51895, 58006, 63986, 103790, 134927, 145015, 159965, 238717, 269854, 290030, 319930, 477434, 674635, 1193585, 1349270, 2387170, 3103321, 6206642, 15516605, 31033210]

約数ペア:

[(1, 31033210), (2, 15516605), (5, 6206642), (10, 3103321), (13, 2387170), (23, 1349270), (26, 1193585), (46, 674635), (65, 477434), (97, 319930), (107, 290030), (115, 269854), (130, 238717), (194, 159965), (214, 145015), (230, 134927), (299, 103790), (485, 63986), (535, 58006), (598, 51895), (970, 31993), (1070, 29003), (1261, 24610), (1391, 22310), (1495, 20758), (2231, 13910), (2461, 12610), (2522, 12305), (2782, 11155), (2990, 10379), (4462, 6955), (4922, 6305)]