686670788

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 1257379200

約数和(自身を除く): 570708412

約数列:

[1, 2, 4, 41, 82, 107, 109, 164, 214, 218, 359, 428, 436, 718, 1436, 4387, 4469, 8774, 8938, 11663, 14719, 17548, 17876, 23326, 29438, 38413, 39131, 46652, 58876, 76826, 78262, 153652, 156524, 478183, 956366, 1574933, 1604371, 1912732, 3149866, 3208742, 4187017, 6299732, 6417484, 8374034, 16748068, 171667697, 343335394, 686670788]

約数ペア:

[(1, 686670788), (2, 343335394), (4, 171667697), (41, 16748068), (82, 8374034), (107, 6417484), (109, 6299732), (164, 4187017), (214, 3208742), (218, 3149866), (359, 1912732), (428, 1604371), (436, 1574933), (718, 956366), (1436, 478183), (4387, 156524), (4469, 153652), (8774, 78262), (8938, 76826), (11663, 58876), (14719, 46652), (17548, 39131), (17876, 38413), (23326, 29438)]