81966612

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10723}}^1$

素因数の和:10757

約数の個数: 72

約数和(自身を含む): 239617056

約数和(自身を除く): 157650444

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 10723, 21446, 32169, 42892, 64338, 75061, 128676, 139399, 150122, 225183, 278798, 300244, 418197, 450366, 525427, 557596, 836394, 900732, 975793, 1050854, 1576281, 1672788, 1951586, 2101708, 2927379, 3152562, 3903172, 5854758, 6305124, 6830551, 11709516, 13661102, 20491653, 27322204, 40983306, 81966612]

約数ペア:

[(1, 81966612), (2, 40983306), (3, 27322204), (4, 20491653), (6, 13661102), (7, 11709516), (12, 6830551), (13, 6305124), (14, 5854758), (21, 3903172), (26, 3152562), (28, 2927379), (39, 2101708), (42, 1951586), (49, 1672788), (52, 1576281), (78, 1050854), (84, 975793), (91, 900732), (98, 836394), (147, 557596), (156, 525427), (182, 450366), (196, 418197), (273, 300244), (294, 278798), (364, 225183), (546, 150122), (588, 139399), (637, 128676), (1092, 75061), (1274, 64338), (1911, 42892), (2548, 32169), (3822, 21446), (7644, 10723)]