31815728

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14951}}^1$

素因数の和:14985

約数の個数: 40

約数和(自身を含む): 74161920

約数和(自身を除く): 42346192

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 14951, 29902, 59804, 104657, 119608, 209314, 239216, 284069, 418628, 568138, 837256, 1136276, 1674512, 1988483, 2272552, 3976966, 4545104, 7953932, 15907864, 31815728]

約数ペア:

[(1, 31815728), (2, 15907864), (4, 7953932), (7, 4545104), (8, 3976966), (14, 2272552), (16, 1988483), (19, 1674512), (28, 1136276), (38, 837256), (56, 568138), (76, 418628), (112, 284069), (133, 239216), (152, 209314), (266, 119608), (304, 104657), (532, 59804), (1064, 29902), (2128, 14951)]