31398318

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 80170272

約数和(自身を除く): 48771954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 97, 98, 126, 147, 194, 291, 294, 367, 441, 582, 679, 734, 873, 882, 1101, 1358, 1746, 2037, 2202, 2569, 3303, 4074, 4753, 5138, 6111, 6606, 7707, 9506, 12222, 14259, 15414, 17983, 23121, 28518, 35599, 35966, 42777, 46242, 53949, 71198, 85554, 106797, 107898, 161847, 213594, 249193, 320391, 323694, 498386, 640782, 747579, 1495158, 1744351, 2242737, 3488702, 4485474, 5233053, 10466106, 15699159, 31398318]

約数ペア:

[(1, 31398318), (2, 15699159), (3, 10466106), (6, 5233053), (7, 4485474), (9, 3488702), (14, 2242737), (18, 1744351), (21, 1495158), (42, 747579), (49, 640782), (63, 498386), (97, 323694), (98, 320391), (126, 249193), (147, 213594), (194, 161847), (291, 107898), (294, 106797), (367, 85554), (441, 71198), (582, 53949), (679, 46242), (734, 42777), (873, 35966), (882, 35599), (1101, 28518), (1358, 23121), (1746, 17983), (2037, 15414), (2202, 14259), (2569, 12222), (3303, 9506), (4074, 7707), (4753, 6606), (5138, 6111)]