917995980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1390903}}^1$

素因数の和:1390926

約数の個数: 48

約数和(自身を含む): 2804062464

約数和(自身を除く): 1886066484

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 1390903, 2781806, 4172709, 5563612, 6954515, 8345418, 13909030, 15299933, 16690836, 20863545, 27818060, 30599866, 41727090, 45899799, 61199732, 76499665, 83454180, 91799598, 152999330, 183599196, 229498995, 305998660, 458997990, 917995980]

約数ペア:

[(1, 917995980), (2, 458997990), (3, 305998660), (4, 229498995), (5, 183599196), (6, 152999330), (10, 91799598), (11, 83454180), (12, 76499665), (15, 61199732), (20, 45899799), (22, 41727090), (30, 30599866), (33, 27818060), (44, 20863545), (55, 16690836), (60, 15299933), (66, 13909030), (110, 8345418), (132, 6954515), (165, 5563612), (220, 4172709), (330, 2781806), (660, 1390903)]