28857738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3109}}^1$

素因数の和:3151

約数の個数: 64

約数和(自身を含む): 75237120

約数和(自身を除く): 46379382

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 3094, 3109, 4641, 6218, 9282, 9327, 18654, 21763, 40417, 43526, 52853, 65289, 80834, 105706, 121251, 130578, 158559, 242502, 282919, 317118, 369971, 565838, 687089, 739942, 848757, 1109913, 1374178, 1697514, 2061267, 2219826, 4122534, 4809623, 9619246, 14428869, 28857738]

約数ペア:

[(1, 28857738), (2, 14428869), (3, 9619246), (6, 4809623), (7, 4122534), (13, 2219826), (14, 2061267), (17, 1697514), (21, 1374178), (26, 1109913), (34, 848757), (39, 739942), (42, 687089), (51, 565838), (78, 369971), (91, 317118), (102, 282919), (119, 242502), (182, 158559), (221, 130578), (238, 121251), (273, 105706), (357, 80834), (442, 65289), (546, 52853), (663, 43526), (714, 40417), (1326, 21763), (1547, 18654), (3094, 9327), (3109, 9282), (4641, 6218)]