688324

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 1555456

約数和(自身を除く): 867132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 61, 62, 91, 122, 124, 182, 217, 244, 364, 403, 427, 434, 793, 806, 854, 868, 1586, 1612, 1708, 1891, 2821, 3172, 3782, 5551, 5642, 7564, 11102, 11284, 13237, 22204, 24583, 26474, 49166, 52948, 98332, 172081, 344162, 688324]

約数ペア:

[(1, 688324), (2, 344162), (4, 172081), (7, 98332), (13, 52948), (14, 49166), (26, 26474), (28, 24583), (31, 22204), (52, 13237), (61, 11284), (62, 11102), (91, 7564), (122, 5642), (124, 5551), (182, 3782), (217, 3172), (244, 2821), (364, 1891), (403, 1708), (427, 1612), (434, 1586), (793, 868), (806, 854)]