81771118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 155602944

約数和(自身を除く): 73831826

約数列:

[1, 2, 11, 13, 22, 23, 26, 31, 46, 62, 143, 253, 286, 299, 341, 401, 403, 506, 598, 682, 713, 802, 806, 1426, 3289, 4411, 4433, 5213, 6578, 7843, 8822, 8866, 9223, 9269, 10426, 12431, 15686, 18446, 18538, 24862, 57343, 101453, 101959, 114686, 119899, 136741, 161603, 202906, 203918, 239798, 273482, 285913, 323206, 571826, 1318889, 1777633, 2637778, 3145043, 3555266, 3716869, 6290086, 7433738, 40885559, 81771118]

約数ペア:

[(1, 81771118), (2, 40885559), (11, 7433738), (13, 6290086), (22, 3716869), (23, 3555266), (26, 3145043), (31, 2637778), (46, 1777633), (62, 1318889), (143, 571826), (253, 323206), (286, 285913), (299, 273482), (341, 239798), (401, 203918), (403, 202906), (506, 161603), (598, 136741), (682, 119899), (713, 114686), (802, 101959), (806, 101453), (1426, 57343), (3289, 24862), (4411, 18538), (4433, 18446), (5213, 15686), (6578, 12431), (7843, 10426), (8822, 9269), (8866, 9223)]