31861648

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 77217280

約数和(自身を除く): 45355632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 79, 91, 104, 112, 158, 182, 208, 277, 316, 364, 553, 554, 632, 728, 1027, 1106, 1108, 1264, 1456, 1939, 2054, 2212, 2216, 3601, 3878, 4108, 4424, 4432, 7189, 7202, 7756, 8216, 8848, 14378, 14404, 15512, 16432, 21883, 25207, 28756, 28808, 31024, 43766, 50414, 57512, 57616, 87532, 100828, 115024, 153181, 175064, 201656, 284479, 306362, 350128, 403312, 568958, 612724, 1137916, 1225448, 1991353, 2275832, 2450896, 3982706, 4551664, 7965412, 15930824, 31861648]

約数ペア:

[(1, 31861648), (2, 15930824), (4, 7965412), (7, 4551664), (8, 3982706), (13, 2450896), (14, 2275832), (16, 1991353), (26, 1225448), (28, 1137916), (52, 612724), (56, 568958), (79, 403312), (91, 350128), (104, 306362), (112, 284479), (158, 201656), (182, 175064), (208, 153181), (277, 115024), (316, 100828), (364, 87532), (553, 57616), (554, 57512), (632, 50414), (728, 43766), (1027, 31024), (1106, 28808), (1108, 28756), (1264, 25207), (1456, 21883), (1939, 16432), (2054, 15512), (2212, 14404), (2216, 14378), (3601, 8848), (3878, 8216), (4108, 7756), (4424, 7202), (4432, 7189)]