80777788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{709}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 174784960

約数和(自身を除く): 94007172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 313, 364, 626, 709, 1252, 1418, 2191, 2836, 4069, 4382, 4963, 8138, 8764, 9217, 9926, 16276, 18434, 19852, 28483, 36868, 56966, 64519, 113932, 129038, 221917, 258076, 443834, 887668, 1553419, 2884921, 3106838, 5769842, 6213676, 11539684, 20194447, 40388894, 80777788]

約数ペア:

[(1, 80777788), (2, 40388894), (4, 20194447), (7, 11539684), (13, 6213676), (14, 5769842), (26, 3106838), (28, 2884921), (52, 1553419), (91, 887668), (182, 443834), (313, 258076), (364, 221917), (626, 129038), (709, 113932), (1252, 64519), (1418, 56966), (2191, 36868), (2836, 28483), (4069, 19852), (4382, 18434), (4963, 16276), (8138, 9926), (8764, 9217)]