31671738

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:412

約数の個数: 72

約数和(自身を含む): 80694900

約数和(自身を除く): 49023162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 149, 241, 294, 298, 441, 447, 482, 723, 882, 894, 1043, 1341, 1446, 1687, 2086, 2169, 2682, 3129, 3374, 4338, 5061, 6258, 7301, 9387, 10122, 11809, 14602, 15183, 18774, 21903, 23618, 30366, 35427, 35909, 43806, 65709, 70854, 71818, 106281, 107727, 131418, 212562, 215454, 251363, 323181, 502726, 646362, 754089, 1508178, 1759541, 2262267, 3519082, 4524534, 5278623, 10557246, 15835869, 31671738]

約数ペア:

[(1, 31671738), (2, 15835869), (3, 10557246), (6, 5278623), (7, 4524534), (9, 3519082), (14, 2262267), (18, 1759541), (21, 1508178), (42, 754089), (49, 646362), (63, 502726), (98, 323181), (126, 251363), (147, 215454), (149, 212562), (241, 131418), (294, 107727), (298, 106281), (441, 71818), (447, 70854), (482, 65709), (723, 43806), (882, 35909), (894, 35427), (1043, 30366), (1341, 23618), (1446, 21903), (1687, 18774), (2086, 15183), (2169, 14602), (2682, 11809), (3129, 10122), (3374, 9387), (4338, 7301), (5061, 6258)]