316587728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{6389}}^1$

素因数の和:6579

約数の個数: 40

約数和(自身を含む): 649735200

約数和(自身を除く): 333147472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 163, 304, 326, 652, 1304, 2608, 3097, 6194, 6389, 12388, 12778, 24776, 25556, 49552, 51112, 102224, 121391, 242782, 485564, 971128, 1041407, 1942256, 2082814, 4165628, 8331256, 16662512, 19786733, 39573466, 79146932, 158293864, 316587728]

約数ペア:

[(1, 316587728), (2, 158293864), (4, 79146932), (8, 39573466), (16, 19786733), (19, 16662512), (38, 8331256), (76, 4165628), (152, 2082814), (163, 1942256), (304, 1041407), (326, 971128), (652, 485564), (1304, 242782), (2608, 121391), (3097, 102224), (6194, 51112), (6389, 49552), (12388, 25556), (12778, 24776)]