309870554

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 541230336

約数和(自身を除く): 231359782

約数列:

[1, 2, 7, 14, 71, 142, 257, 497, 514, 994, 1213, 1799, 2426, 3598, 8491, 16982, 18247, 36494, 86123, 127729, 172246, 255458, 311741, 602861, 623482, 1205722, 2182187, 4364374, 22133611, 44267222, 154935277, 309870554]

約数ペア:

[(1, 309870554), (2, 154935277), (7, 44267222), (14, 22133611), (71, 4364374), (142, 2182187), (257, 1205722), (497, 623482), (514, 602861), (994, 311741), (1213, 255458), (1799, 172246), (2426, 127729), (3598, 86123), (8491, 36494), (16982, 18247)]