309918142768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2417}}^1\times {\mathrm{616463}}^1$

素因数の和:618901

約数の個数: 40

約数和(自身を含む): 646924719168

約数和(自身を除く): 337006576400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2417, 4834, 9668, 19336, 31421, 38672, 62842, 125684, 251368, 502736, 616463, 1232926, 2465852, 4931704, 8014019, 9863408, 16028038, 32056076, 64112152, 128224304, 1489991071, 2979982142, 5959964284, 11919928568, 19369883923, 23839857136, 38739767846, 77479535692, 154959071384, 309918142768]

約数ペア:

[(1, 309918142768), (2, 154959071384), (4, 77479535692), (8, 38739767846), (13, 23839857136), (16, 19369883923), (26, 11919928568), (52, 5959964284), (104, 2979982142), (208, 1489991071), (2417, 128224304), (4834, 64112152), (9668, 32056076), (19336, 16028038), (31421, 9863408), (38672, 8014019), (62842, 4931704), (125684, 2465852), (251368, 1232926), (502736, 616463)]