1296390736

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{6719}}^1$

素因数の和:7147

約数の個数: 40

約数和(自身を含む): 2599833600

約数和(自身を除く): 1303442864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 389, 496, 778, 1556, 3112, 6224, 6719, 12059, 13438, 24118, 26876, 48236, 53752, 96472, 107504, 192944, 208289, 416578, 833156, 1666312, 2613691, 3332624, 5227382, 10454764, 20909528, 41819056, 81024421, 162048842, 324097684, 648195368, 1296390736]

約数ペア:

[(1, 1296390736), (2, 648195368), (4, 324097684), (8, 162048842), (16, 81024421), (31, 41819056), (62, 20909528), (124, 10454764), (248, 5227382), (389, 3332624), (496, 2613691), (778, 1666312), (1556, 833156), (3112, 416578), (6224, 208289), (6719, 192944), (12059, 107504), (13438, 96472), (24118, 53752), (26876, 48236)]