1921036208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{18583}}^1$

素因数の和:18682

約数の個数: 80

約数和(自身を含む): 4645702656

約数和(自身を除く): 2724666448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 923, 994, 1136, 1456, 1846, 1988, 3692, 3976, 6461, 7384, 7952, 12922, 14768, 18583, 25844, 37166, 51688, 74332, 103376, 130081, 148664, 241579, 260162, 297328, 483158, 520324, 966316, 1040648, 1319393, 1691053, 1932632, 2081296, 2638786, 3382106, 3865264, 5277572, 6764212, 9235751, 10555144, 13528424, 17152109, 18471502, 21110288, 27056848, 34304218, 36943004, 68608436, 73886008, 120064763, 137216872, 147772016, 240129526, 274433744, 480259052, 960518104, 1921036208]

約数ペア:

[(1, 1921036208), (2, 960518104), (4, 480259052), (7, 274433744), (8, 240129526), (13, 147772016), (14, 137216872), (16, 120064763), (26, 73886008), (28, 68608436), (52, 36943004), (56, 34304218), (71, 27056848), (91, 21110288), (104, 18471502), (112, 17152109), (142, 13528424), (182, 10555144), (208, 9235751), (284, 6764212), (364, 5277572), (497, 3865264), (568, 3382106), (728, 2638786), (923, 2081296), (994, 1932632), (1136, 1691053), (1456, 1319393), (1846, 1040648), (1988, 966316), (3692, 520324), (3976, 483158), (6461, 297328), (7384, 260162), (7952, 241579), (12922, 148664), (14768, 130081), (18583, 103376), (25844, 74332), (37166, 51688)]