156931778185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{20849}}^1$

素因数の和:21178

約数の個数: 64

約数和(自身を含む): 236060697600

約数和(自身を除く): 79128919415

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 233, 355, 455, 497, 923, 1165, 1631, 2485, 3029, 4615, 6461, 8155, 15145, 16543, 20849, 21203, 32305, 82715, 104245, 106015, 115801, 145943, 215059, 271037, 579005, 729715, 1075295, 1355185, 1480279, 1505413, 1897259, 4857817, 7401395, 7527065, 9486295, 10361953, 19243627, 24289085, 34004719, 51809765, 63151621, 96218135, 134705389, 170023595, 315758105, 344905007, 442061347, 673526945, 1724525035, 2210306735, 2414335049, 4483765091, 12071675245, 22418825455, 31386355637, 156931778185]

約数ペア:

[(1, 156931778185), (5, 31386355637), (7, 22418825455), (13, 12071675245), (35, 4483765091), (65, 2414335049), (71, 2210306735), (91, 1724525035), (233, 673526945), (355, 442061347), (455, 344905007), (497, 315758105), (923, 170023595), (1165, 134705389), (1631, 96218135), (2485, 63151621), (3029, 51809765), (4615, 34004719), (6461, 24289085), (8155, 19243627), (15145, 10361953), (16543, 9486295), (20849, 7527065), (21203, 7401395), (32305, 4857817), (82715, 1897259), (104245, 1505413), (106015, 1480279), (115801, 1355185), (145943, 1075295), (215059, 729715), (271037, 579005)]