1213309625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1277}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 1655551872

約数和(自身を除く): 442242247

約数列:

[1, 5, 11, 25, 55, 125, 275, 691, 1277, 1375, 3455, 6385, 7601, 14047, 17275, 31925, 38005, 70235, 86375, 159625, 190025, 351175, 882407, 950125, 1755875, 4412035, 9706477, 22060175, 48532385, 110300875, 242661925, 1213309625]

約数ペア:

[(1, 1213309625), (5, 242661925), (11, 110300875), (25, 48532385), (55, 22060175), (125, 9706477), (275, 4412035), (691, 1755875), (1277, 950125), (1375, 882407), (3455, 351175), (6385, 190025), (7601, 159625), (14047, 86375), (17275, 70235), (31925, 38005)]