28404772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 58121280

約数和(自身を除く): 29716508

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 418, 557, 671, 836, 1114, 1159, 1342, 2228, 2318, 2684, 4636, 6127, 10583, 12254, 12749, 21166, 24508, 25498, 33977, 42332, 50996, 67954, 116413, 135908, 232826, 373747, 465652, 645563, 747494, 1291126, 1494988, 2582252, 7101193, 14202386, 28404772]

約数ペア:

[(1, 28404772), (2, 14202386), (4, 7101193), (11, 2582252), (19, 1494988), (22, 1291126), (38, 747494), (44, 645563), (61, 465652), (76, 373747), (122, 232826), (209, 135908), (244, 116413), (418, 67954), (557, 50996), (671, 42332), (836, 33977), (1114, 25498), (1159, 24508), (1342, 21166), (2228, 12749), (2318, 12254), (2684, 10583), (4636, 6127)]