78613892

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 169870848

約数和(自身を除く): 91256956

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 47, 62, 82, 94, 124, 164, 188, 217, 287, 329, 434, 574, 658, 868, 1148, 1271, 1316, 1457, 1927, 2209, 2542, 2914, 3854, 4418, 5084, 5828, 7708, 8836, 8897, 10199, 13489, 15463, 17794, 20398, 26978, 30926, 35588, 40796, 53956, 59737, 61852, 68479, 90569, 119474, 136958, 181138, 238948, 273916, 362276, 418159, 479353, 633983, 836318, 958706, 1267966, 1672636, 1917412, 2535932, 2807639, 5615278, 11230556, 19653473, 39306946, 78613892]

約数ペア:

[(1, 78613892), (2, 39306946), (4, 19653473), (7, 11230556), (14, 5615278), (28, 2807639), (31, 2535932), (41, 1917412), (47, 1672636), (62, 1267966), (82, 958706), (94, 836318), (124, 633983), (164, 479353), (188, 418159), (217, 362276), (287, 273916), (329, 238948), (434, 181138), (574, 136958), (658, 119474), (868, 90569), (1148, 68479), (1271, 61852), (1316, 59737), (1457, 53956), (1927, 40796), (2209, 35588), (2542, 30926), (2914, 26978), (3854, 20398), (4418, 17794), (5084, 15463), (5828, 13489), (7708, 10199), (8836, 8897)]