64931018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 105494400

約数和(自身を除く): 40563382

約数列:

[1, 2, 19, 38, 73, 89, 146, 178, 263, 526, 1387, 1691, 2774, 3382, 4997, 6497, 9994, 12994, 19199, 23407, 38398, 46814, 123443, 246886, 364781, 444733, 729562, 889466, 1708711, 3417422, 32465509, 64931018]

約数ペア:

[(1, 64931018), (2, 32465509), (19, 3417422), (38, 1708711), (73, 889466), (89, 729562), (146, 444733), (178, 364781), (263, 246886), (526, 123443), (1387, 46814), (1691, 38398), (2774, 23407), (3382, 19199), (4997, 12994), (6497, 9994)]