128455756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3163}}^1$

素因数の和:3262

約数の個数: 48

約数和(自身を含む): 267902208

約数和(自身を除く): 139446452

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1846, 3124, 3163, 3692, 6326, 10153, 12652, 20306, 34793, 40612, 41119, 69586, 82238, 139172, 164476, 224573, 449146, 452309, 898292, 904618, 1809236, 2470303, 2919449, 4940606, 5838898, 9881212, 11677796, 32113939, 64227878, 128455756]

約数ペア:

[(1, 128455756), (2, 64227878), (4, 32113939), (11, 11677796), (13, 9881212), (22, 5838898), (26, 4940606), (44, 2919449), (52, 2470303), (71, 1809236), (142, 904618), (143, 898292), (284, 452309), (286, 449146), (572, 224573), (781, 164476), (923, 139172), (1562, 82238), (1846, 69586), (3124, 41119), (3163, 40612), (3692, 34793), (6326, 20306), (10153, 12652)]