81958788

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 215429760

約数和(自身を除く): 133470972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 59, 94, 118, 141, 177, 188, 236, 282, 354, 423, 531, 564, 708, 821, 846, 1062, 1642, 1692, 2124, 2463, 2773, 3284, 4926, 5546, 7389, 8319, 9852, 11092, 14778, 16638, 24957, 29556, 33276, 38587, 48439, 49914, 77174, 96878, 99828, 115761, 145317, 154348, 193756, 231522, 290634, 347283, 435951, 463044, 581268, 694566, 871902, 1389132, 1743804, 2276633, 4553266, 6829899, 9106532, 13659798, 20489697, 27319596, 40979394, 81958788]

約数ペア:

[(1, 81958788), (2, 40979394), (3, 27319596), (4, 20489697), (6, 13659798), (9, 9106532), (12, 6829899), (18, 4553266), (36, 2276633), (47, 1743804), (59, 1389132), (94, 871902), (118, 694566), (141, 581268), (177, 463044), (188, 435951), (236, 347283), (282, 290634), (354, 231522), (423, 193756), (531, 154348), (564, 145317), (708, 115761), (821, 99828), (846, 96878), (1062, 77174), (1642, 49914), (1692, 48439), (2124, 38587), (2463, 33276), (2773, 29556), (3284, 24957), (4926, 16638), (5546, 14778), (7389, 11092), (8319, 9852)]