81468124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 156620800

約数和(自身を除く): 75152676

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 151, 229, 302, 458, 589, 604, 916, 1178, 2356, 2869, 4351, 4681, 5738, 7099, 8702, 9362, 11476, 14198, 17404, 18724, 28396, 34579, 69158, 88939, 134881, 138316, 177878, 269762, 355756, 539524, 657001, 1071949, 1314002, 2143898, 2628004, 4287796, 20367031, 40734062, 81468124]

約数ペア:

[(1, 81468124), (2, 40734062), (4, 20367031), (19, 4287796), (31, 2628004), (38, 2143898), (62, 1314002), (76, 1071949), (124, 657001), (151, 539524), (229, 355756), (302, 269762), (458, 177878), (589, 138316), (604, 134881), (916, 88939), (1178, 69158), (2356, 34579), (2869, 28396), (4351, 18724), (4681, 17404), (5738, 14198), (7099, 11476), (8702, 9362)]