1238523265

素因数分解:

$5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 1843200000

約数和(自身を除く): 604676735

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 191, 199, 245, 343, 665, 931, 955, 995, 1337, 1393, 1715, 3629, 3781, 4655, 6517, 6685, 6965, 9359, 9751, 18145, 18905, 25403, 26467, 32585, 38009, 46795, 48755, 65513, 68257, 127015, 132335, 177821, 185269, 190045, 266063, 327565, 341285, 722171, 889105, 926345, 1244747, 1296883, 1330315, 1862441, 3610855, 5055197, 6223735, 6484415, 9312205, 13037087, 25275985, 35386379, 65185435, 176931895, 247704653, 1238523265]

約数ペア:

[(1, 1238523265), (5, 247704653), (7, 176931895), (19, 65185435), (35, 35386379), (49, 25275985), (95, 13037087), (133, 9312205), (191, 6484415), (199, 6223735), (245, 5055197), (343, 3610855), (665, 1862441), (931, 1330315), (955, 1296883), (995, 1244747), (1337, 926345), (1393, 889105), (1715, 722171), (3629, 341285), (3781, 327565), (4655, 266063), (6517, 190045), (6685, 185269), (6965, 177821), (9359, 132335), (9751, 127015), (18145, 68257), (18905, 65513), (25403, 48755), (26467, 46795), (32585, 38009)]