28746770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 55965168

約数和(自身を除く): 27218398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 557, 794, 1114, 1985, 2785, 3970, 5161, 5570, 7241, 10322, 14482, 25805, 36205, 51610, 72410, 221129, 442258, 1105645, 2211290, 2874677, 5749354, 14373385, 28746770]

約数ペア:

[(1, 28746770), (2, 14373385), (5, 5749354), (10, 2874677), (13, 2211290), (26, 1105645), (65, 442258), (130, 221129), (397, 72410), (557, 51610), (794, 36205), (1114, 25805), (1985, 14482), (2785, 10322), (3970, 7241), (5161, 5570)]