81425036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15551}}^1$

素因数の和:15590

約数の個数: 48

約数和(自身を含む): 188116992

約数和(自身を除く): 106691956

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 5236, 15551, 31102, 62204, 108857, 171061, 217714, 264367, 342122, 435428, 528734, 684244, 1057468, 1197427, 1850569, 2394854, 2908037, 3701138, 4789708, 5816074, 7402276, 11632148, 20356259, 40712518, 81425036]

約数ペア:

[(1, 81425036), (2, 40712518), (4, 20356259), (7, 11632148), (11, 7402276), (14, 5816074), (17, 4789708), (22, 3701138), (28, 2908037), (34, 2394854), (44, 1850569), (68, 1197427), (77, 1057468), (119, 684244), (154, 528734), (187, 435428), (238, 342122), (308, 264367), (374, 217714), (476, 171061), (748, 108857), (1309, 62204), (2618, 31102), (5236, 15551)]