157021865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 255951360

約数和(自身を除く): 98929495

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 137, 143, 229, 385, 455, 685, 715, 959, 1001, 1145, 1507, 1603, 1781, 2519, 2977, 4795, 5005, 7535, 8015, 8905, 10549, 12467, 12595, 14885, 17633, 19591, 20839, 31373, 32747, 52745, 62335, 88165, 97955, 104195, 137137, 156865, 163735, 219611, 229229, 345103, 407849, 685685, 1098055, 1146145, 1725515, 2039245, 2415721, 2854943, 4486339, 12078605, 14274715, 22431695, 31404373, 157021865]

約数ペア:

[(1, 157021865), (5, 31404373), (7, 22431695), (11, 14274715), (13, 12078605), (35, 4486339), (55, 2854943), (65, 2415721), (77, 2039245), (91, 1725515), (137, 1146145), (143, 1098055), (229, 685685), (385, 407849), (455, 345103), (685, 229229), (715, 219611), (959, 163735), (1001, 156865), (1145, 137137), (1507, 104195), (1603, 97955), (1781, 88165), (2519, 62335), (2977, 52745), (4795, 32747), (5005, 31373), (7535, 20839), (8015, 19591), (8905, 17633), (10549, 14885), (12467, 12595)]