80967978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16477}}^1$

素因数の和:16508

約数の個数: 64

約数和(自身を含む): 221464320

約数和(自身を除く): 140496342

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4914, 16477, 32954, 49431, 98862, 115339, 148293, 214201, 230678, 296586, 346017, 428402, 444879, 642603, 692034, 889758, 1038051, 1285206, 1499407, 1927809, 2076102, 2998814, 3114153, 3855618, 4498221, 5783427, 6228306, 8996442, 11566854, 13494663, 26989326, 40483989, 80967978]

約数ペア:

[(1, 80967978), (2, 40483989), (3, 26989326), (6, 13494663), (7, 11566854), (9, 8996442), (13, 6228306), (14, 5783427), (18, 4498221), (21, 3855618), (26, 3114153), (27, 2998814), (39, 2076102), (42, 1927809), (54, 1499407), (63, 1285206), (78, 1038051), (91, 889758), (117, 692034), (126, 642603), (182, 444879), (189, 428402), (234, 346017), (273, 296586), (351, 230678), (378, 214201), (546, 148293), (702, 115339), (819, 98862), (1638, 49431), (2457, 32954), (4914, 16477)]