28032990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 71165952

約数和(自身を除く): 43132962

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 129, 155, 186, 215, 258, 310, 430, 465, 645, 701, 930, 1290, 1333, 1402, 2103, 2666, 3505, 3999, 4206, 6665, 7010, 7998, 10515, 13330, 19995, 21030, 21731, 30143, 39990, 43462, 60286, 65193, 90429, 108655, 130386, 150715, 180858, 217310, 301430, 325965, 452145, 651930, 904290, 934433, 1868866, 2803299, 4672165, 5606598, 9344330, 14016495, 28032990]

約数ペア:

[(1, 28032990), (2, 14016495), (3, 9344330), (5, 5606598), (6, 4672165), (10, 2803299), (15, 1868866), (30, 934433), (31, 904290), (43, 651930), (62, 452145), (86, 325965), (93, 301430), (129, 217310), (155, 180858), (186, 150715), (215, 130386), (258, 108655), (310, 90429), (430, 65193), (465, 60286), (645, 43462), (701, 39990), (930, 30143), (1290, 21731), (1333, 21030), (1402, 19995), (2103, 13330), (2666, 10515), (3505, 7998), (3999, 7010), (4206, 6665)]