257251019056

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{23268001}}^1$

素因数の和:23268700

約数の個数: 20

約数和(自身を含む): 499145178904

約数和(自身を除く): 241894159848

約数列:

[1, 2, 4, 8, 16, 691, 1382, 2764, 5528, 11056, 23268001, 46536002, 93072004, 186144008, 372288016, 16078188691, 32156377382, 64312754764, 128625509528, 257251019056]

約数ペア:

[(1, 257251019056), (2, 128625509528), (4, 64312754764), (8, 32156377382), (16, 16078188691), (691, 372288016), (1382, 186144008), (2764, 93072004), (5528, 46536002), (11056, 23268001)]