1997802244

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 3646540800

約数和(自身を除く): 1648738556

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 271, 316, 542, 569, 1084, 1138, 2276, 3239, 6478, 11111, 12956, 21409, 22222, 23329, 42818, 44444, 44951, 46658, 85636, 89902, 93316, 154199, 179804, 308398, 616796, 877769, 1755538, 1842991, 3511076, 3685982, 6322159, 7371964, 12181721, 12644318, 24363442, 25288636, 48726884, 499450561, 998901122, 1997802244]

約数ペア:

[(1, 1997802244), (2, 998901122), (4, 499450561), (41, 48726884), (79, 25288636), (82, 24363442), (158, 12644318), (164, 12181721), (271, 7371964), (316, 6322159), (542, 3685982), (569, 3511076), (1084, 1842991), (1138, 1755538), (2276, 877769), (3239, 616796), (6478, 308398), (11111, 179804), (12956, 154199), (21409, 93316), (22222, 89902), (23329, 85636), (42818, 46658), (44444, 44951)]