161623756

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 341569536

約数和(自身を除く): 179945780

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 127, 151, 172, 196, 254, 301, 302, 508, 602, 604, 889, 1057, 1204, 1778, 2107, 2114, 3556, 4214, 4228, 5461, 6223, 6493, 7399, 8428, 10922, 12446, 12986, 14798, 19177, 21844, 24892, 25972, 29596, 38227, 38354, 45451, 76454, 76708, 90902, 134239, 152908, 181804, 267589, 268478, 318157, 535178, 536956, 636314, 824611, 939673, 1070356, 1272628, 1649222, 1879346, 3298444, 3758692, 5772277, 11544554, 23089108, 40405939, 80811878, 161623756]

約数ペア:

[(1, 161623756), (2, 80811878), (4, 40405939), (7, 23089108), (14, 11544554), (28, 5772277), (43, 3758692), (49, 3298444), (86, 1879346), (98, 1649222), (127, 1272628), (151, 1070356), (172, 939673), (196, 824611), (254, 636314), (301, 536956), (302, 535178), (508, 318157), (602, 268478), (604, 267589), (889, 181804), (1057, 152908), (1204, 134239), (1778, 90902), (2107, 76708), (2114, 76454), (3556, 45451), (4214, 38354), (4228, 38227), (5461, 29596), (6223, 25972), (6493, 24892), (7399, 21844), (8428, 19177), (10922, 14798), (12446, 12986)]