289378318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2357}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 482842944

約数和(自身を除く): 193464626

約数列:

[1, 2, 17, 23, 34, 46, 157, 314, 391, 782, 2357, 2669, 3611, 4714, 5338, 7222, 40069, 54211, 61387, 80138, 108422, 122774, 370049, 740098, 921587, 1843174, 6290833, 8511127, 12581666, 17022254, 144689159, 289378318]

約数ペア:

[(1, 289378318), (2, 144689159), (17, 17022254), (23, 12581666), (34, 8511127), (46, 6290833), (157, 1843174), (314, 921587), (391, 740098), (782, 370049), (2357, 122774), (2669, 108422), (3611, 80138), (4714, 61387), (5338, 54211), (7222, 40069)]