1640894332

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313387}}^1$

素因数の和:313426

約数の個数: 48

約数和(自身を含む): 3790741248

約数和(自身を除く): 2149846916

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 5236, 313387, 626774, 1253548, 2193709, 3447257, 4387418, 5327579, 6894514, 8774836, 10655158, 13789028, 21310316, 24130799, 37293053, 48261598, 58603369, 74586106, 96523196, 117206738, 149172212, 234413476, 410223583, 820447166, 1640894332]

約数ペア:

[(1, 1640894332), (2, 820447166), (4, 410223583), (7, 234413476), (11, 149172212), (14, 117206738), (17, 96523196), (22, 74586106), (28, 58603369), (34, 48261598), (44, 37293053), (68, 24130799), (77, 21310316), (119, 13789028), (154, 10655158), (187, 8774836), (238, 6894514), (308, 5327579), (374, 4387418), (476, 3447257), (748, 2193709), (1309, 1253548), (2618, 626774), (5236, 313387)]