1298156912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{328481}}^1$

素因数の和:328521

約数の個数: 40

約数和(自身を含む): 2851223760

約数和(自身を除く): 1553066848

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 328481, 656962, 1313924, 2627848, 4270253, 5255696, 6241139, 8540506, 12482278, 17081012, 24964556, 34162024, 49929112, 68324048, 81134807, 99858224, 162269614, 324539228, 649078456, 1298156912]

約数ペア:

[(1, 1298156912), (2, 649078456), (4, 324539228), (8, 162269614), (13, 99858224), (16, 81134807), (19, 68324048), (26, 49929112), (38, 34162024), (52, 24964556), (76, 17081012), (104, 12482278), (152, 8540506), (208, 6241139), (247, 5255696), (304, 4270253), (494, 2627848), (988, 1313924), (1976, 656962), (3952, 328481)]