28980368

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1383

約数の個数: 40

約数和(自身を含む): 59597376

約数和(自身を除く): 30617008

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1291, 1403, 2582, 2806, 5164, 5612, 10328, 11224, 20656, 22448, 29693, 59386, 78751, 118772, 157502, 237544, 315004, 475088, 630008, 1260016, 1811273, 3622546, 7245092, 14490184, 28980368]

約数ペア:

[(1, 28980368), (2, 14490184), (4, 7245092), (8, 3622546), (16, 1811273), (23, 1260016), (46, 630008), (61, 475088), (92, 315004), (122, 237544), (184, 157502), (244, 118772), (368, 78751), (488, 59386), (976, 29693), (1291, 22448), (1403, 20656), (2582, 11224), (2806, 10328), (5164, 5612)]