397729384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 832809600

約数和(自身を除く): 435080216

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 59, 104, 106, 118, 212, 236, 424, 472, 689, 767, 1223, 1378, 1534, 2446, 2756, 3068, 3127, 4892, 5512, 6136, 6254, 9784, 12508, 15899, 25016, 31798, 40651, 63596, 64819, 72157, 81302, 127192, 129638, 144314, 162604, 259276, 288628, 325208, 518552, 577256, 842647, 938041, 1685294, 1876082, 3370588, 3752164, 3824321, 6741176, 7504328, 7648642, 15297284, 30594568, 49716173, 99432346, 198864692, 397729384]

約数ペア:

[(1, 397729384), (2, 198864692), (4, 99432346), (8, 49716173), (13, 30594568), (26, 15297284), (52, 7648642), (53, 7504328), (59, 6741176), (104, 3824321), (106, 3752164), (118, 3370588), (212, 1876082), (236, 1685294), (424, 938041), (472, 842647), (689, 577256), (767, 518552), (1223, 325208), (1378, 288628), (1534, 259276), (2446, 162604), (2756, 144314), (3068, 129638), (3127, 127192), (4892, 81302), (5512, 72157), (6136, 64819), (6254, 63596), (9784, 40651), (12508, 31798), (15899, 25016)]