85727915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 134265600

約数和(自身を除く): 48537685

約数列:

[1, 5, 7, 13, 29, 35, 65, 73, 89, 91, 145, 203, 365, 377, 445, 455, 511, 623, 949, 1015, 1157, 1885, 2117, 2555, 2581, 2639, 3115, 4745, 5785, 6497, 6643, 8099, 10585, 12905, 13195, 14819, 18067, 27521, 32485, 33215, 33553, 40495, 45479, 74095, 84461, 90335, 137605, 167765, 188413, 192647, 227395, 234871, 422305, 591227, 942065, 963235, 1174355, 1318891, 2449369, 2956135, 6594455, 12246845, 17145583, 85727915]

約数ペア:

[(1, 85727915), (5, 17145583), (7, 12246845), (13, 6594455), (29, 2956135), (35, 2449369), (65, 1318891), (73, 1174355), (89, 963235), (91, 942065), (145, 591227), (203, 422305), (365, 234871), (377, 227395), (445, 192647), (455, 188413), (511, 167765), (623, 137605), (949, 90335), (1015, 84461), (1157, 74095), (1885, 45479), (2117, 40495), (2555, 33553), (2581, 33215), (2639, 32485), (3115, 27521), (4745, 18067), (5785, 14819), (6497, 13195), (6643, 12905), (8099, 10585)]