66398410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 131035320

約数和(自身を除く): 64636910

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 169, 202, 338, 389, 505, 778, 845, 1010, 1313, 1690, 1945, 2626, 3890, 5057, 6565, 10114, 13130, 17069, 25285, 34138, 39289, 50570, 65741, 78578, 85345, 131482, 170690, 196445, 328705, 392890, 510757, 657410, 1021514, 2553785, 5107570, 6639841, 13279682, 33199205, 66398410]

約数ペア:

[(1, 66398410), (2, 33199205), (5, 13279682), (10, 6639841), (13, 5107570), (26, 2553785), (65, 1021514), (101, 657410), (130, 510757), (169, 392890), (202, 328705), (338, 196445), (389, 170690), (505, 131482), (778, 85345), (845, 78578), (1010, 65741), (1313, 50570), (1690, 39289), (1945, 34138), (2626, 25285), (3890, 17069), (5057, 13130), (6565, 10114)]