81038048

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1$

素因数の和:1684

約数の個数: 96

約数和(自身を含む): 208039104

約数和(自身を除く): 127001056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 224, 238, 272, 364, 416, 442, 476, 544, 728, 884, 952, 1456, 1547, 1637, 1768, 1904, 2912, 3094, 3274, 3536, 3808, 6188, 6548, 7072, 11459, 12376, 13096, 21281, 22918, 24752, 26192, 27829, 42562, 45836, 49504, 52384, 55658, 85124, 91672, 111316, 148967, 170248, 183344, 194803, 222632, 297934, 340496, 361777, 366688, 389606, 445264, 595868, 680992, 723554, 779212, 890528, 1191736, 1447108, 1558424, 2383472, 2532439, 2894216, 3116848, 4766944, 5064878, 5788432, 6233696, 10129756, 11576864, 20259512, 40519024, 81038048]

約数ペア:

[(1, 81038048), (2, 40519024), (4, 20259512), (7, 11576864), (8, 10129756), (13, 6233696), (14, 5788432), (16, 5064878), (17, 4766944), (26, 3116848), (28, 2894216), (32, 2532439), (34, 2383472), (52, 1558424), (56, 1447108), (68, 1191736), (91, 890528), (104, 779212), (112, 723554), (119, 680992), (136, 595868), (182, 445264), (208, 389606), (221, 366688), (224, 361777), (238, 340496), (272, 297934), (364, 222632), (416, 194803), (442, 183344), (476, 170248), (544, 148967), (728, 111316), (884, 91672), (952, 85124), (1456, 55658), (1547, 52384), (1637, 49504), (1768, 45836), (1904, 42562), (2912, 27829), (3094, 26192), (3274, 24752), (3536, 22918), (3808, 21281), (6188, 13096), (6548, 12376), (7072, 11459)]