1640331272

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{1237}}^1\times {\mathrm{5347}}^1$

素因数の和:6621

約数の個数: 32

約数和(自身を含む): 3177995520

約数和(自身を除く): 1537664248

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 1237, 2474, 4948, 5347, 9896, 10694, 21388, 38347, 42776, 76694, 153388, 165757, 306776, 331514, 663028, 1326056, 6614239, 13228478, 26456956, 52913912, 205041409, 410082818, 820165636, 1640331272]

約数ペア:

[(1, 1640331272), (2, 820165636), (4, 410082818), (8, 205041409), (31, 52913912), (62, 26456956), (124, 13228478), (248, 6614239), (1237, 1326056), (2474, 663028), (4948, 331514), (5347, 306776), (9896, 165757), (10694, 153388), (21388, 76694), (38347, 42776)]