28779470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 58392576

約数和(自身を除く): 29613106

約数列:

[1, 2, 5, 10, 17, 31, 34, 43, 62, 85, 86, 127, 155, 170, 215, 254, 310, 430, 527, 635, 731, 1054, 1270, 1333, 1462, 2159, 2635, 2666, 3655, 3937, 4318, 5270, 5461, 6665, 7310, 7874, 10795, 10922, 13330, 19685, 21590, 22661, 27305, 39370, 45322, 54610, 66929, 92837, 113305, 133858, 169291, 185674, 226610, 334645, 338582, 464185, 669290, 846455, 928370, 1692910, 2877947, 5755894, 14389735, 28779470]

約数ペア:

[(1, 28779470), (2, 14389735), (5, 5755894), (10, 2877947), (17, 1692910), (31, 928370), (34, 846455), (43, 669290), (62, 464185), (85, 338582), (86, 334645), (127, 226610), (155, 185674), (170, 169291), (215, 133858), (254, 113305), (310, 92837), (430, 66929), (527, 54610), (635, 45322), (731, 39370), (1054, 27305), (1270, 22661), (1333, 21590), (1462, 19685), (2159, 13330), (2635, 10922), (2666, 10795), (3655, 7874), (3937, 7310), (4318, 6665), (5270, 5461)]