189901322

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 330086400

約数和(自身を除く): 140185078

約数列:

[1, 2, 13, 17, 26, 34, 127, 199, 221, 254, 289, 398, 442, 578, 1651, 2159, 2587, 3302, 3383, 3757, 4318, 5174, 6766, 7514, 25273, 28067, 36703, 43979, 50546, 56134, 57511, 73406, 87958, 115022, 328549, 429641, 477139, 657098, 747643, 859282, 954278, 1495286, 5585333, 7303897, 11170666, 14607794, 94950661, 189901322]

約数ペア:

[(1, 189901322), (2, 94950661), (13, 14607794), (17, 11170666), (26, 7303897), (34, 5585333), (127, 1495286), (199, 954278), (221, 859282), (254, 747643), (289, 657098), (398, 477139), (442, 429641), (578, 328549), (1651, 115022), (2159, 87958), (2587, 73406), (3302, 57511), (3383, 56134), (3757, 50546), (4318, 43979), (5174, 36703), (6766, 28067), (7514, 25273)]