64971256

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1549}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 143127000

約数和(自身を除く): 78155744

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 392, 428, 749, 856, 1498, 1549, 2996, 3098, 5243, 5992, 6196, 10486, 10843, 12392, 20972, 21686, 41944, 43372, 75901, 86744, 151802, 165743, 303604, 331486, 607208, 662972, 1160201, 1325944, 2320402, 4640804, 8121407, 9281608, 16242814, 32485628, 64971256]

約数ペア:

[(1, 64971256), (2, 32485628), (4, 16242814), (7, 9281608), (8, 8121407), (14, 4640804), (28, 2320402), (49, 1325944), (56, 1160201), (98, 662972), (107, 607208), (196, 331486), (214, 303604), (392, 165743), (428, 151802), (749, 86744), (856, 75901), (1498, 43372), (1549, 41944), (2996, 21686), (3098, 20972), (5243, 12392), (5992, 10843), (6196, 10486)]