71235190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 141325776

約数和(自身を除く): 70090586

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 169, 305, 338, 610, 691, 793, 845, 1382, 1586, 1690, 3455, 3965, 6910, 7930, 8983, 10309, 17966, 20618, 42151, 44915, 51545, 84302, 89830, 103090, 116779, 210755, 233558, 421510, 547963, 583895, 1095926, 1167790, 2739815, 5479630, 7123519, 14247038, 35617595, 71235190]

約数ペア:

[(1, 71235190), (2, 35617595), (5, 14247038), (10, 7123519), (13, 5479630), (26, 2739815), (61, 1167790), (65, 1095926), (122, 583895), (130, 547963), (169, 421510), (305, 233558), (338, 210755), (610, 116779), (691, 103090), (793, 89830), (845, 84302), (1382, 51545), (1586, 44915), (1690, 42151), (3455, 20618), (3965, 17966), (6910, 10309), (7930, 8983)]