1974786385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4391}}^1$

素因数の和:4474

約数の個数: 64

約数和(自身を含む): 3028161024

約数和(自身を除く): 1053374639

約数列:

[1, 5, 11, 13, 17, 37, 55, 65, 85, 143, 185, 187, 221, 407, 481, 629, 715, 935, 1105, 2035, 2405, 2431, 3145, 4391, 5291, 6919, 8177, 12155, 21955, 26455, 34595, 40885, 48301, 57083, 74647, 89947, 162467, 241505, 285415, 373235, 449735, 627913, 812335, 821117, 970411, 1787137, 2112071, 2761939, 3139565, 4105585, 4852055, 8935685, 10560355, 10674521, 13809695, 23232781, 30381329, 35905207, 53372605, 116163905, 151906645, 179526035, 394957277, 1974786385]

約数ペア:

[(1, 1974786385), (5, 394957277), (11, 179526035), (13, 151906645), (17, 116163905), (37, 53372605), (55, 35905207), (65, 30381329), (85, 23232781), (143, 13809695), (185, 10674521), (187, 10560355), (221, 8935685), (407, 4852055), (481, 4105585), (629, 3139565), (715, 2761939), (935, 2112071), (1105, 1787137), (2035, 970411), (2405, 821117), (2431, 812335), (3145, 627913), (4391, 449735), (5291, 373235), (6919, 285415), (8177, 241505), (12155, 162467), (21955, 89947), (26455, 74647), (34595, 57083), (40885, 48301)]