8071686

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 21125520

約数和(自身を除く): 13053834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 47, 58, 63, 87, 94, 126, 141, 174, 203, 261, 282, 329, 406, 423, 522, 609, 658, 846, 987, 1218, 1363, 1827, 1974, 2209, 2726, 2961, 3654, 4089, 4418, 5922, 6627, 8178, 9541, 12267, 13254, 15463, 19082, 19881, 24534, 28623, 30926, 39762, 46389, 57246, 64061, 85869, 92778, 128122, 139167, 171738, 192183, 278334, 384366, 448427, 576549, 896854, 1153098, 1345281, 2690562, 4035843, 8071686]

約数ペア:

[(1, 8071686), (2, 4035843), (3, 2690562), (6, 1345281), (7, 1153098), (9, 896854), (14, 576549), (18, 448427), (21, 384366), (29, 278334), (42, 192183), (47, 171738), (58, 139167), (63, 128122), (87, 92778), (94, 85869), (126, 64061), (141, 57246), (174, 46389), (203, 39762), (261, 30926), (282, 28623), (329, 24534), (406, 19881), (423, 19082), (522, 15463), (609, 13254), (658, 12267), (846, 9541), (987, 8178), (1218, 6627), (1363, 5922), (1827, 4418), (1974, 4089), (2209, 3654), (2726, 2961)]