3978390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^2$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 10385424

約数和(自身を除く): 6407034

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 505, 606, 1010, 1313, 1515, 2626, 3030, 3939, 6565, 7878, 10201, 13130, 19695, 20402, 30603, 39390, 51005, 61206, 102010, 132613, 153015, 265226, 306030, 397839, 663065, 795678, 1326130, 1989195, 3978390]

約数ペア:

[(1, 3978390), (2, 1989195), (3, 1326130), (5, 795678), (6, 663065), (10, 397839), (13, 306030), (15, 265226), (26, 153015), (30, 132613), (39, 102010), (65, 61206), (78, 51005), (101, 39390), (130, 30603), (195, 20402), (202, 19695), (303, 13130), (390, 10201), (505, 7878), (606, 6565), (1010, 3939), (1313, 3030), (1515, 2626)]