71285872

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 168044800

約数和(自身を除く): 96758928

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 139, 152, 241, 266, 278, 304, 482, 532, 556, 964, 973, 1064, 1112, 1687, 1928, 1946, 2128, 2224, 2641, 3374, 3856, 3892, 4579, 5282, 6748, 7784, 9158, 10564, 13496, 15568, 18316, 18487, 21128, 26992, 32053, 33499, 36632, 36974, 42256, 64106, 66998, 73264, 73948, 128212, 133996, 147896, 234493, 256424, 267992, 295792, 468986, 512848, 535984, 636481, 937972, 1272962, 1875944, 2545924, 3751888, 4455367, 5091848, 8910734, 10183696, 17821468, 35642936, 71285872]

約数ペア:

[(1, 71285872), (2, 35642936), (4, 17821468), (7, 10183696), (8, 8910734), (14, 5091848), (16, 4455367), (19, 3751888), (28, 2545924), (38, 1875944), (56, 1272962), (76, 937972), (112, 636481), (133, 535984), (139, 512848), (152, 468986), (241, 295792), (266, 267992), (278, 256424), (304, 234493), (482, 147896), (532, 133996), (556, 128212), (964, 73948), (973, 73264), (1064, 66998), (1112, 64106), (1687, 42256), (1928, 36974), (1946, 36632), (2128, 33499), (2224, 32053), (2641, 26992), (3374, 21128), (3856, 18487), (3892, 18316), (4579, 15568), (5282, 13496), (6748, 10564), (7784, 9158)]