13317220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 33094656

約数和(自身を除く): 19777436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 127, 140, 196, 214, 245, 254, 428, 490, 508, 535, 635, 749, 889, 980, 1070, 1270, 1498, 1778, 2140, 2540, 2996, 3556, 3745, 4445, 5243, 6223, 7490, 8890, 10486, 12446, 13589, 14980, 17780, 20972, 24892, 26215, 27178, 31115, 52430, 54356, 62230, 67945, 95123, 104860, 124460, 135890, 190246, 271780, 380492, 475615, 665861, 951230, 1331722, 1902460, 2663444, 3329305, 6658610, 13317220]

約数ペア:

[(1, 13317220), (2, 6658610), (4, 3329305), (5, 2663444), (7, 1902460), (10, 1331722), (14, 951230), (20, 665861), (28, 475615), (35, 380492), (49, 271780), (70, 190246), (98, 135890), (107, 124460), (127, 104860), (140, 95123), (196, 67945), (214, 62230), (245, 54356), (254, 52430), (428, 31115), (490, 27178), (508, 26215), (535, 24892), (635, 20972), (749, 17780), (889, 14980), (980, 13589), (1070, 12446), (1270, 10486), (1498, 8890), (1778, 7490), (2140, 6223), (2540, 5243), (2996, 4445), (3556, 3745)]