1280996834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{13163}}^1$

素因数の和:13394

約数の個数: 32

約数和(自身を含む): 2189436480

約数和(自身を除く): 908439646

約数列:

[1, 2, 13, 19, 26, 38, 197, 247, 394, 494, 2561, 3743, 5122, 7486, 13163, 26326, 48659, 97318, 171119, 250097, 342238, 500194, 2593111, 3251261, 5186222, 6502522, 33710443, 49269109, 67420886, 98538218, 640498417, 1280996834]

約数ペア:

[(1, 1280996834), (2, 640498417), (13, 98538218), (19, 67420886), (26, 49269109), (38, 33710443), (197, 6502522), (247, 5186222), (394, 3251261), (494, 2593111), (2561, 500194), (3743, 342238), (5122, 250097), (7486, 171119), (13163, 97318), (26326, 48659)]