311927408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{78929}}^1$

素因数の和:78969

約数の個数: 40

約数和(自身を含む): 685112400

約数和(自身を除く): 373184992

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 78929, 157858, 315716, 631432, 1026077, 1262864, 1499651, 2052154, 2999302, 4104308, 5998604, 8208616, 11997208, 16417232, 19495463, 23994416, 38990926, 77981852, 155963704, 311927408]

約数ペア:

[(1, 311927408), (2, 155963704), (4, 77981852), (8, 38990926), (13, 23994416), (16, 19495463), (19, 16417232), (26, 11997208), (38, 8208616), (52, 5998604), (76, 4104308), (104, 2999302), (152, 2052154), (208, 1499651), (247, 1262864), (304, 1026077), (494, 631432), (988, 315716), (1976, 157858), (3952, 78929)]