81780232

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 166924800

約数和(自身を除く): 85144568

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 83, 116, 124, 137, 166, 232, 248, 274, 332, 548, 664, 899, 1096, 1798, 2407, 2573, 3596, 3973, 4247, 4814, 5146, 7192, 7946, 8494, 9628, 10292, 11371, 15892, 16988, 19256, 20584, 22742, 31784, 33976, 45484, 74617, 90968, 123163, 149234, 246326, 298468, 329759, 352501, 492652, 596936, 659518, 705002, 985304, 1319036, 1410004, 2638072, 2820008, 10222529, 20445058, 40890116, 81780232]

約数ペア:

[(1, 81780232), (2, 40890116), (4, 20445058), (8, 10222529), (29, 2820008), (31, 2638072), (58, 1410004), (62, 1319036), (83, 985304), (116, 705002), (124, 659518), (137, 596936), (166, 492652), (232, 352501), (248, 329759), (274, 298468), (332, 246326), (548, 149234), (664, 123163), (899, 90968), (1096, 74617), (1798, 45484), (2407, 33976), (2573, 31784), (3596, 22742), (3973, 20584), (4247, 19256), (4814, 16988), (5146, 15892), (7192, 11371), (7946, 10292), (8494, 9628)]