81143604

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 218312640

約数和(自身を除く): 137169036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 97, 114, 171, 194, 228, 291, 342, 388, 582, 684, 873, 1164, 1223, 1746, 1843, 2446, 3492, 3669, 3686, 4892, 5529, 7338, 7372, 11007, 11058, 14676, 16587, 22014, 22116, 23237, 33174, 44028, 46474, 66348, 69711, 92948, 118631, 139422, 209133, 237262, 278844, 355893, 418266, 474524, 711786, 836532, 1067679, 1423572, 2135358, 2253989, 4270716, 4507978, 6761967, 9015956, 13523934, 20285901, 27047868, 40571802, 81143604]

約数ペア:

[(1, 81143604), (2, 40571802), (3, 27047868), (4, 20285901), (6, 13523934), (9, 9015956), (12, 6761967), (18, 4507978), (19, 4270716), (36, 2253989), (38, 2135358), (57, 1423572), (76, 1067679), (97, 836532), (114, 711786), (171, 474524), (194, 418266), (228, 355893), (291, 278844), (342, 237262), (388, 209133), (582, 139422), (684, 118631), (873, 92948), (1164, 69711), (1223, 66348), (1746, 46474), (1843, 44028), (2446, 33174), (3492, 23237), (3669, 22116), (3686, 22014), (4892, 16587), (5529, 14676), (7338, 11058), (7372, 11007)]