128560916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2616

約数の個数: 48

約数和(自身を含む): 262691520

約数和(自身を除く): 134130604

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 418, 671, 836, 1159, 1342, 2318, 2521, 2684, 4636, 5042, 10084, 12749, 25498, 27731, 47899, 50996, 55462, 95798, 110924, 153781, 191596, 307562, 526889, 615124, 1053778, 1691591, 2107556, 2921839, 3383182, 5843678, 6766364, 11687356, 32140229, 64280458, 128560916]

約数ペア:

[(1, 128560916), (2, 64280458), (4, 32140229), (11, 11687356), (19, 6766364), (22, 5843678), (38, 3383182), (44, 2921839), (61, 2107556), (76, 1691591), (122, 1053778), (209, 615124), (244, 526889), (418, 307562), (671, 191596), (836, 153781), (1159, 110924), (1342, 95798), (2318, 55462), (2521, 50996), (2684, 47899), (4636, 27731), (5042, 25498), (10084, 12749)]