38759864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2040

約数の個数: 64

約数和(自身を含む): 90447840

約数和(自身を除く): 51687976

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 1993, 2431, 3986, 4862, 7972, 9724, 15944, 19448, 21923, 25909, 33881, 43846, 51818, 67762, 87692, 103636, 135524, 175384, 207272, 271048, 284999, 372691, 440453, 569998, 745382, 880906, 1139996, 1490764, 1761812, 2279992, 2981528, 3523624, 4844983, 9689966, 19379932, 38759864]

約数ペア:

[(1, 38759864), (2, 19379932), (4, 9689966), (8, 4844983), (11, 3523624), (13, 2981528), (17, 2279992), (22, 1761812), (26, 1490764), (34, 1139996), (44, 880906), (52, 745382), (68, 569998), (88, 440453), (104, 372691), (136, 284999), (143, 271048), (187, 207272), (221, 175384), (286, 135524), (374, 103636), (442, 87692), (572, 67762), (748, 51818), (884, 43846), (1144, 33881), (1496, 25909), (1768, 21923), (1993, 19448), (2431, 15944), (3986, 9724), (4862, 7972)]