87687535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 117311040

約数和(自身を除く): 29623505

約数列:

[1, 5, 13, 43, 65, 137, 215, 229, 559, 685, 1145, 1781, 2795, 2977, 5891, 8905, 9847, 14885, 29455, 31373, 49235, 76583, 128011, 156865, 382915, 407849, 640055, 1349039, 2039245, 6745195, 17537507, 87687535]

約数ペア:

[(1, 87687535), (5, 17537507), (13, 6745195), (43, 2039245), (65, 1349039), (137, 640055), (215, 407849), (229, 382915), (559, 156865), (685, 128011), (1145, 76583), (1781, 49235), (2795, 31373), (2977, 29455), (5891, 14885), (8905, 9847)]