28402968

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 77944320

約数和(自身を除く): 49541352

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 271, 397, 542, 794, 813, 1084, 1191, 1588, 1626, 2168, 2382, 2981, 3176, 3252, 4367, 4764, 5962, 6504, 8734, 8943, 9528, 11924, 13101, 17468, 17886, 23848, 26202, 34936, 35772, 52404, 71544, 104808, 107587, 215174, 322761, 430348, 645522, 860696, 1183457, 1291044, 2366914, 2582088, 3550371, 4733828, 7100742, 9467656, 14201484, 28402968]

約数ペア:

[(1, 28402968), (2, 14201484), (3, 9467656), (4, 7100742), (6, 4733828), (8, 3550371), (11, 2582088), (12, 2366914), (22, 1291044), (24, 1183457), (33, 860696), (44, 645522), (66, 430348), (88, 322761), (132, 215174), (264, 107587), (271, 104808), (397, 71544), (542, 52404), (794, 35772), (813, 34936), (1084, 26202), (1191, 23848), (1588, 17886), (1626, 17468), (2168, 13101), (2382, 11924), (2981, 9528), (3176, 8943), (3252, 8734), (4367, 6504), (4764, 5962)]