81490864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 196667968

約数和(自身を除く): 115177104

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 97, 104, 112, 182, 194, 208, 364, 388, 577, 679, 728, 776, 1154, 1261, 1358, 1456, 1552, 2308, 2522, 2716, 4039, 4616, 5044, 5432, 7501, 8078, 8827, 9232, 10088, 10864, 15002, 16156, 17654, 20176, 30004, 32312, 35308, 52507, 55969, 60008, 64624, 70616, 105014, 111938, 120016, 141232, 210028, 223876, 391783, 420056, 447752, 727597, 783566, 840112, 895504, 1455194, 1567132, 2910388, 3134264, 5093179, 5820776, 6268528, 10186358, 11641552, 20372716, 40745432, 81490864]

約数ペア:

[(1, 81490864), (2, 40745432), (4, 20372716), (7, 11641552), (8, 10186358), (13, 6268528), (14, 5820776), (16, 5093179), (26, 3134264), (28, 2910388), (52, 1567132), (56, 1455194), (91, 895504), (97, 840112), (104, 783566), (112, 727597), (182, 447752), (194, 420056), (208, 391783), (364, 223876), (388, 210028), (577, 141232), (679, 120016), (728, 111938), (776, 105014), (1154, 70616), (1261, 64624), (1358, 60008), (1456, 55969), (1552, 52507), (2308, 35308), (2522, 32312), (2716, 30004), (4039, 20176), (4616, 17654), (5044, 16156), (5432, 15002), (7501, 10864), (8078, 10088), (8827, 9232)]