66949025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 99451968

約数和(自身を除く): 32502943

約数列:

[1, 5, 11, 13, 25, 55, 61, 65, 143, 275, 305, 307, 325, 671, 715, 793, 1525, 1535, 3355, 3377, 3575, 3965, 3991, 7675, 8723, 16775, 16885, 18727, 19825, 19955, 43615, 43901, 84425, 93635, 99775, 205997, 218075, 219505, 243451, 468175, 1029985, 1097525, 1217255, 2677961, 5149925, 6086275, 13389805, 66949025]

約数ペア:

[(1, 66949025), (5, 13389805), (11, 6086275), (13, 5149925), (25, 2677961), (55, 1217255), (61, 1097525), (65, 1029985), (143, 468175), (275, 243451), (305, 219505), (307, 218075), (325, 205997), (671, 99775), (715, 93635), (793, 84425), (1525, 43901), (1535, 43615), (3355, 19955), (3377, 19825), (3575, 18727), (3965, 16885), (3991, 16775), (7675, 8723)]