81961572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:961

約数の個数: 96

約数和(自身を含む): 240952320

約数和(自身を除く): 158990748

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 107, 132, 154, 214, 231, 308, 321, 428, 462, 642, 749, 829, 924, 1177, 1284, 1498, 1658, 2247, 2354, 2487, 2996, 3316, 3531, 4494, 4708, 4974, 5803, 7062, 8239, 8988, 9119, 9948, 11606, 14124, 16478, 17409, 18238, 23212, 24717, 27357, 32956, 34818, 36476, 49434, 54714, 63833, 69636, 88703, 98868, 109428, 127666, 177406, 191499, 255332, 266109, 354812, 382998, 532218, 620921, 765996, 975733, 1064436, 1241842, 1862763, 1951466, 2483684, 2927199, 3725526, 3902932, 5854398, 6830131, 7451052, 11708796, 13660262, 20490393, 27320524, 40980786, 81961572]

約数ペア:

[(1, 81961572), (2, 40980786), (3, 27320524), (4, 20490393), (6, 13660262), (7, 11708796), (11, 7451052), (12, 6830131), (14, 5854398), (21, 3902932), (22, 3725526), (28, 2927199), (33, 2483684), (42, 1951466), (44, 1862763), (66, 1241842), (77, 1064436), (84, 975733), (107, 765996), (132, 620921), (154, 532218), (214, 382998), (231, 354812), (308, 266109), (321, 255332), (428, 191499), (462, 177406), (642, 127666), (749, 109428), (829, 98868), (924, 88703), (1177, 69636), (1284, 63833), (1498, 54714), (1658, 49434), (2247, 36476), (2354, 34818), (2487, 32956), (2996, 27357), (3316, 24717), (3531, 23212), (4494, 18238), (4708, 17409), (4974, 16478), (5803, 14124), (7062, 11606), (8239, 9948), (8988, 9119)]