81330704

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 196570752

約数和(自身を除く): 115240048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 83, 91, 104, 112, 166, 182, 208, 332, 364, 581, 664, 673, 728, 1079, 1162, 1328, 1346, 1456, 2158, 2324, 2692, 4316, 4648, 4711, 5384, 7553, 8632, 8749, 9296, 9422, 10768, 15106, 17264, 17498, 18844, 30212, 34996, 37688, 55859, 60424, 61243, 69992, 75376, 111718, 120848, 122486, 139984, 223436, 244972, 391013, 446872, 489944, 726167, 782026, 893744, 979888, 1452334, 1564052, 2904668, 3128104, 5083169, 5809336, 6256208, 10166338, 11618672, 20332676, 40665352, 81330704]

約数ペア:

[(1, 81330704), (2, 40665352), (4, 20332676), (7, 11618672), (8, 10166338), (13, 6256208), (14, 5809336), (16, 5083169), (26, 3128104), (28, 2904668), (52, 1564052), (56, 1452334), (83, 979888), (91, 893744), (104, 782026), (112, 726167), (166, 489944), (182, 446872), (208, 391013), (332, 244972), (364, 223436), (581, 139984), (664, 122486), (673, 120848), (728, 111718), (1079, 75376), (1162, 69992), (1328, 61243), (1346, 60424), (1456, 55859), (2158, 37688), (2324, 34996), (2692, 30212), (4316, 18844), (4648, 17498), (4711, 17264), (5384, 15106), (7553, 10768), (8632, 9422), (8749, 9296)]