28480012

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 54

約数和(自身を含む): 58172604

約数和(自身を除く): 29692592

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 163, 209, 242, 326, 361, 418, 484, 652, 722, 836, 1444, 1793, 2299, 3097, 3586, 3971, 4598, 6194, 7172, 7942, 9196, 12388, 15884, 19723, 34067, 39446, 43681, 58843, 68134, 78892, 87362, 117686, 136268, 174724, 235372, 374737, 647273, 749474, 1294546, 1498948, 2589092, 7120003, 14240006, 28480012]

約数ペア:

[(1, 28480012), (2, 14240006), (4, 7120003), (11, 2589092), (19, 1498948), (22, 1294546), (38, 749474), (44, 647273), (76, 374737), (121, 235372), (163, 174724), (209, 136268), (242, 117686), (326, 87362), (361, 78892), (418, 68134), (484, 58843), (652, 43681), (722, 39446), (836, 34067), (1444, 19723), (1793, 15884), (2299, 12388), (3097, 9196), (3586, 7942), (3971, 7172), (4598, 6194)]