15989974

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 33062400

約数和(自身を除く): 17072426

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 163, 182, 286, 326, 343, 539, 637, 686, 1001, 1078, 1141, 1274, 1793, 2002, 2119, 2282, 3586, 3773, 4238, 4459, 7007, 7546, 7987, 8918, 12551, 14014, 14833, 15974, 23309, 25102, 29666, 46618, 49049, 55909, 87857, 98098, 103831, 111818, 163163, 175714, 207662, 326326, 614999, 726817, 1142141, 1229998, 1453634, 2284282, 7994987, 15989974]

約数ペア:

[(1, 15989974), (2, 7994987), (7, 2284282), (11, 1453634), (13, 1229998), (14, 1142141), (22, 726817), (26, 614999), (49, 326326), (77, 207662), (91, 175714), (98, 163163), (143, 111818), (154, 103831), (163, 98098), (182, 87857), (286, 55909), (326, 49049), (343, 46618), (539, 29666), (637, 25102), (686, 23309), (1001, 15974), (1078, 14833), (1141, 14014), (1274, 12551), (1793, 8918), (2002, 7987), (2119, 7546), (2282, 7007), (3586, 4459), (3773, 4238)]