28717961545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8731}}^1\times {\mathrm{7229}}^1$

素因数の和:15985

約数の個数: 32

約数和(自身を含む): 42424945920

約数和(自身を除く): 13706984375

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 7229, 8731, 36145, 43655, 50603, 61117, 93977, 113503, 253015, 305585, 469885, 567515, 657839, 794521, 3289195, 3972605, 63116399, 315581995, 441814793, 820513187, 2209073965, 4102565935, 5743592309, 28717961545]

約数ペア:

[(1, 28717961545), (5, 5743592309), (7, 4102565935), (13, 2209073965), (35, 820513187), (65, 441814793), (91, 315581995), (455, 63116399), (7229, 3972605), (8731, 3289195), (36145, 794521), (43655, 657839), (50603, 567515), (61117, 469885), (93977, 305585), (113503, 253015)]