87800804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 196185024

約数和(自身を除く): 108384220

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 251, 364, 403, 434, 502, 806, 868, 961, 1004, 1612, 1757, 1922, 2821, 3263, 3514, 3844, 5642, 6526, 6727, 7028, 7781, 11284, 12493, 13052, 13454, 15562, 22841, 24986, 26908, 31124, 45682, 49972, 54467, 87451, 91364, 101153, 108934, 174902, 202306, 217868, 241211, 349804, 404612, 482422, 708071, 964844, 1416142, 1688477, 2832284, 3135743, 3376954, 6271486, 6753908, 12542972, 21950201, 43900402, 87800804]

約数ペア:

[(1, 87800804), (2, 43900402), (4, 21950201), (7, 12542972), (13, 6753908), (14, 6271486), (26, 3376954), (28, 3135743), (31, 2832284), (52, 1688477), (62, 1416142), (91, 964844), (124, 708071), (182, 482422), (217, 404612), (251, 349804), (364, 241211), (403, 217868), (434, 202306), (502, 174902), (806, 108934), (868, 101153), (961, 91364), (1004, 87451), (1612, 54467), (1757, 49972), (1922, 45682), (2821, 31124), (3263, 26908), (3514, 24986), (3844, 22841), (5642, 15562), (6526, 13454), (6727, 13052), (7028, 12493), (7781, 11284)]