128535212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 249500160

約数和(自身を除く): 120964948

約数列:

[1, 2, 4, 13, 26, 52, 67, 79, 134, 158, 268, 316, 467, 871, 934, 1027, 1742, 1868, 2054, 3484, 4108, 5293, 6071, 10586, 12142, 21172, 24284, 31289, 36893, 62578, 68809, 73786, 125156, 137618, 147572, 275236, 406757, 479609, 813514, 959218, 1627028, 1918436, 2471831, 4943662, 9887324, 32133803, 64267606, 128535212]

約数ペア:

[(1, 128535212), (2, 64267606), (4, 32133803), (13, 9887324), (26, 4943662), (52, 2471831), (67, 1918436), (79, 1627028), (134, 959218), (158, 813514), (268, 479609), (316, 406757), (467, 275236), (871, 147572), (934, 137618), (1027, 125156), (1742, 73786), (1868, 68809), (2054, 62578), (3484, 36893), (4108, 31289), (5293, 24284), (6071, 21172), (10586, 12142)]