28386252

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 74775792

約数和(自身を除く): 46389540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 101, 111, 148, 202, 211, 222, 303, 333, 404, 422, 444, 606, 633, 666, 844, 909, 1212, 1266, 1332, 1818, 1899, 2532, 3636, 3737, 3798, 7474, 7596, 7807, 11211, 14948, 15614, 21311, 22422, 23421, 31228, 33633, 42622, 44844, 46842, 63933, 67266, 70263, 85244, 93684, 127866, 134532, 140526, 191799, 255732, 281052, 383598, 767196, 788507, 1577014, 2365521, 3154028, 4731042, 7096563, 9462084, 14193126, 28386252]

約数ペア:

[(1, 28386252), (2, 14193126), (3, 9462084), (4, 7096563), (6, 4731042), (9, 3154028), (12, 2365521), (18, 1577014), (36, 788507), (37, 767196), (74, 383598), (101, 281052), (111, 255732), (148, 191799), (202, 140526), (211, 134532), (222, 127866), (303, 93684), (333, 85244), (404, 70263), (422, 67266), (444, 63933), (606, 46842), (633, 44844), (666, 42622), (844, 33633), (909, 31228), (1212, 23421), (1266, 22422), (1332, 21311), (1818, 15614), (1899, 14948), (2532, 11211), (3636, 7807), (3737, 7596), (3798, 7474)]