491242864

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{937}}^1$

素因数の和:1134

約数の個数: 80

約数和(自身を含む): 1131483136

約数和(自身を除く): 640240272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 151, 217, 248, 302, 434, 496, 604, 868, 937, 1057, 1208, 1736, 1874, 2114, 2416, 3472, 3748, 4228, 4681, 6559, 7496, 8456, 9362, 13118, 14992, 16912, 18724, 26236, 29047, 32767, 37448, 52472, 58094, 65534, 74896, 104944, 116188, 131068, 141487, 203329, 232376, 262136, 282974, 406658, 464752, 524272, 565948, 813316, 990409, 1131896, 1626632, 1980818, 2263792, 3253264, 3961636, 4386097, 7923272, 8772194, 15846544, 17544388, 30702679, 35088776, 61405358, 70177552, 122810716, 245621432, 491242864]

約数ペア:

[(1, 491242864), (2, 245621432), (4, 122810716), (7, 70177552), (8, 61405358), (14, 35088776), (16, 30702679), (28, 17544388), (31, 15846544), (56, 8772194), (62, 7923272), (112, 4386097), (124, 3961636), (151, 3253264), (217, 2263792), (248, 1980818), (302, 1626632), (434, 1131896), (496, 990409), (604, 813316), (868, 565948), (937, 524272), (1057, 464752), (1208, 406658), (1736, 282974), (1874, 262136), (2114, 232376), (2416, 203329), (3472, 141487), (3748, 131068), (4228, 116188), (4681, 104944), (6559, 74896), (7496, 65534), (8456, 58094), (9362, 52472), (13118, 37448), (14992, 32767), (16912, 29047), (18724, 26236)]