31138164

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 82009928

約数和(自身を除く): 50871764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 97, 111, 148, 194, 222, 241, 291, 333, 388, 444, 482, 582, 666, 723, 873, 964, 1164, 1332, 1446, 1746, 2169, 2892, 3492, 3589, 4338, 7178, 8676, 8917, 10767, 14356, 17834, 21534, 23377, 26751, 32301, 35668, 43068, 46754, 53502, 64602, 70131, 80253, 93508, 107004, 129204, 140262, 160506, 210393, 280524, 321012, 420786, 841572, 864949, 1729898, 2594847, 3459796, 5189694, 7784541, 10379388, 15569082, 31138164]

約数ペア:

[(1, 31138164), (2, 15569082), (3, 10379388), (4, 7784541), (6, 5189694), (9, 3459796), (12, 2594847), (18, 1729898), (36, 864949), (37, 841572), (74, 420786), (97, 321012), (111, 280524), (148, 210393), (194, 160506), (222, 140262), (241, 129204), (291, 107004), (333, 93508), (388, 80253), (444, 70131), (482, 64602), (582, 53502), (666, 46754), (723, 43068), (873, 35668), (964, 32301), (1164, 26751), (1332, 23377), (1446, 21534), (1746, 17834), (2169, 14356), (2892, 10767), (3492, 8917), (3589, 8676), (4338, 7178)]