28609668

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 76905920

約数和(自身を除く): 48296252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 151, 171, 228, 277, 302, 342, 453, 554, 604, 684, 831, 906, 1108, 1359, 1662, 1812, 2493, 2718, 2869, 3324, 4986, 5263, 5436, 5738, 8607, 9972, 10526, 11476, 15789, 17214, 21052, 25821, 31578, 34428, 41827, 47367, 51642, 63156, 83654, 94734, 103284, 125481, 167308, 189468, 250962, 376443, 501924, 752886, 794713, 1505772, 1589426, 2384139, 3178852, 4768278, 7152417, 9536556, 14304834, 28609668]

約数ペア:

[(1, 28609668), (2, 14304834), (3, 9536556), (4, 7152417), (6, 4768278), (9, 3178852), (12, 2384139), (18, 1589426), (19, 1505772), (36, 794713), (38, 752886), (57, 501924), (76, 376443), (114, 250962), (151, 189468), (171, 167308), (228, 125481), (277, 103284), (302, 94734), (342, 83654), (453, 63156), (554, 51642), (604, 47367), (684, 41827), (831, 34428), (906, 31578), (1108, 25821), (1359, 21052), (1662, 17214), (1812, 15789), (2493, 11476), (2718, 10526), (2869, 9972), (3324, 8607), (4986, 5738), (5263, 5436)]