12943518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 18022242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 79, 83, 94, 141, 158, 166, 237, 249, 282, 329, 474, 498, 553, 581, 658, 987, 1106, 1162, 1659, 1743, 1974, 3318, 3486, 3713, 3901, 6557, 7426, 7802, 11139, 11703, 13114, 19671, 22278, 23406, 25991, 27307, 39342, 45899, 51982, 54614, 77973, 81921, 91798, 137697, 155946, 163842, 275394, 308179, 616358, 924537, 1849074, 2157253, 4314506, 6471759, 12943518]

約数ペア:

[(1, 12943518), (2, 6471759), (3, 4314506), (6, 2157253), (7, 1849074), (14, 924537), (21, 616358), (42, 308179), (47, 275394), (79, 163842), (83, 155946), (94, 137697), (141, 91798), (158, 81921), (166, 77973), (237, 54614), (249, 51982), (282, 45899), (329, 39342), (474, 27307), (498, 25991), (553, 23406), (581, 22278), (658, 19671), (987, 13114), (1106, 11703), (1162, 11139), (1659, 7802), (1743, 7426), (1974, 6557), (3318, 3901), (3486, 3713)]