1980998786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2343

約数の個数: 64

約数和(自身を含む): 3561062400

約数和(自身を除く): 1580063614

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 79, 158, 247, 299, 437, 494, 598, 874, 1027, 1501, 1817, 2054, 2207, 3002, 3634, 4414, 5681, 11362, 19513, 23621, 28691, 34523, 39026, 41933, 47242, 50761, 57382, 69046, 83866, 101522, 174353, 348706, 448799, 545129, 659893, 897598, 964459, 1090258, 1319786, 1928918, 2266589, 3312707, 4010119, 4533178, 6625414, 8020238, 12537967, 25075934, 43065191, 52131547, 76192261, 86130382, 104263094, 152384522, 990499393, 1980998786]

約数ペア:

[(1, 1980998786), (2, 990499393), (13, 152384522), (19, 104263094), (23, 86130382), (26, 76192261), (38, 52131547), (46, 43065191), (79, 25075934), (158, 12537967), (247, 8020238), (299, 6625414), (437, 4533178), (494, 4010119), (598, 3312707), (874, 2266589), (1027, 1928918), (1501, 1319786), (1817, 1090258), (2054, 964459), (2207, 897598), (3002, 659893), (3634, 545129), (4414, 448799), (5681, 348706), (11362, 174353), (19513, 101522), (23621, 83866), (28691, 69046), (34523, 57382), (39026, 50761), (41933, 47242)]