313426256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{136987}}^1$

素因数の和:137019

約数の個数: 40

約数和(自身を含む): 713433504

約数和(自身を除く): 400007248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 136987, 273974, 547948, 1095896, 1506857, 1780831, 2191792, 3013714, 3561662, 6027428, 7123324, 12054856, 14246648, 19589141, 24109712, 28493296, 39178282, 78356564, 156713128, 313426256]

約数ペア:

[(1, 313426256), (2, 156713128), (4, 78356564), (8, 39178282), (11, 28493296), (13, 24109712), (16, 19589141), (22, 14246648), (26, 12054856), (44, 7123324), (52, 6027428), (88, 3561662), (104, 3013714), (143, 2191792), (176, 1780831), (208, 1506857), (286, 1095896), (572, 547948), (1144, 273974), (2288, 136987)]