31800474

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 70761600

約数和(自身を除く): 38961126

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 149, 167, 213, 298, 334, 426, 447, 501, 639, 894, 1002, 1278, 1341, 1503, 2682, 3006, 10579, 11857, 21158, 23714, 24883, 31737, 35571, 49766, 63474, 71142, 74649, 95211, 106713, 149298, 190422, 213426, 223947, 447894, 1766693, 3533386, 5300079, 10600158, 15900237, 31800474]

約数ペア:

[(1, 31800474), (2, 15900237), (3, 10600158), (6, 5300079), (9, 3533386), (18, 1766693), (71, 447894), (142, 223947), (149, 213426), (167, 190422), (213, 149298), (298, 106713), (334, 95211), (426, 74649), (447, 71142), (501, 63474), (639, 49766), (894, 35571), (1002, 31737), (1278, 24883), (1341, 23714), (1503, 21158), (2682, 11857), (3006, 10579)]