1628796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 4191264

約数和(自身を除く): 2562468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 197, 212, 318, 394, 591, 636, 689, 788, 1182, 1378, 2067, 2364, 2561, 2756, 4134, 5122, 7683, 8268, 10244, 10441, 15366, 20882, 30732, 31323, 41764, 62646, 125292, 135733, 271466, 407199, 542932, 814398, 1628796]

約数ペア:

[(1, 1628796), (2, 814398), (3, 542932), (4, 407199), (6, 271466), (12, 135733), (13, 125292), (26, 62646), (39, 41764), (52, 31323), (53, 30732), (78, 20882), (106, 15366), (156, 10441), (159, 10244), (197, 8268), (212, 7683), (318, 5122), (394, 4134), (591, 2756), (636, 2561), (689, 2364), (788, 2067), (1182, 1378)]