65555464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{101}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 135395820

約数和(自身を除く): 69840356

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 101, 104, 158, 202, 316, 404, 632, 808, 1027, 1313, 2054, 2626, 4108, 5252, 6241, 7979, 8216, 10504, 12482, 15958, 24964, 31916, 49928, 63832, 81133, 103727, 162266, 207454, 324532, 414908, 630341, 649064, 829816, 1260682, 2521364, 5042728, 8194433, 16388866, 32777732, 65555464]

約数ペア:

[(1, 65555464), (2, 32777732), (4, 16388866), (8, 8194433), (13, 5042728), (26, 2521364), (52, 1260682), (79, 829816), (101, 649064), (104, 630341), (158, 414908), (202, 324532), (316, 207454), (404, 162266), (632, 103727), (808, 81133), (1027, 63832), (1313, 49928), (2054, 31916), (2626, 24964), (4108, 15958), (5252, 12482), (6241, 10504), (7979, 8216)]