28639688

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1$

素因数の和:2490

約数の個数: 64

約数和(自身を含む): 70502400

約数和(自身を除く): 41862712

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 2447, 2926, 4894, 5852, 9788, 11704, 17129, 19576, 26917, 34258, 46493, 53834, 68516, 92986, 107668, 137032, 185972, 188419, 215336, 325451, 371944, 376838, 511423, 650902, 753676, 1022846, 1301804, 1507352, 2045692, 2603608, 3579961, 4091384, 7159922, 14319844, 28639688]

約数ペア:

[(1, 28639688), (2, 14319844), (4, 7159922), (7, 4091384), (8, 3579961), (11, 2603608), (14, 2045692), (19, 1507352), (22, 1301804), (28, 1022846), (38, 753676), (44, 650902), (56, 511423), (76, 376838), (77, 371944), (88, 325451), (133, 215336), (152, 188419), (154, 185972), (209, 137032), (266, 107668), (308, 92986), (418, 68516), (532, 53834), (616, 46493), (836, 34258), (1064, 26917), (1463, 19576), (1672, 17129), (2447, 11704), (2926, 9788), (4894, 5852)]