2878974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 7249632

約数和(自身を除く): 4370658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 313, 438, 511, 626, 657, 939, 1022, 1314, 1533, 1878, 2191, 2817, 3066, 4382, 4599, 5634, 6573, 9198, 13146, 19719, 22849, 39438, 45698, 68547, 137094, 159943, 205641, 319886, 411282, 479829, 959658, 1439487, 2878974]

約数ペア:

[(1, 2878974), (2, 1439487), (3, 959658), (6, 479829), (7, 411282), (9, 319886), (14, 205641), (18, 159943), (21, 137094), (42, 68547), (63, 45698), (73, 39438), (126, 22849), (146, 19719), (219, 13146), (313, 9198), (438, 6573), (511, 5634), (626, 4599), (657, 4382), (939, 3066), (1022, 2817), (1314, 2191), (1533, 1878)]