1900528994

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21011}}^1$

素因数の和:21111

約数の個数: 48

約数和(自身を含む): 3621796416

約数和(自身を除く): 1721267422

約数列:

[1, 2, 7, 13, 14, 26, 49, 71, 91, 98, 142, 182, 497, 637, 923, 994, 1274, 1846, 3479, 6461, 6958, 12922, 21011, 42022, 45227, 90454, 147077, 273143, 294154, 546286, 1029539, 1491781, 1912001, 2059078, 2983562, 3824002, 10442467, 13384007, 19393153, 20884934, 26768014, 38786306, 73097269, 135752071, 146194538, 271504142, 950264497, 1900528994]

約数ペア:

[(1, 1900528994), (2, 950264497), (7, 271504142), (13, 146194538), (14, 135752071), (26, 73097269), (49, 38786306), (71, 26768014), (91, 20884934), (98, 19393153), (142, 13384007), (182, 10442467), (497, 3824002), (637, 2983562), (923, 2059078), (994, 1912001), (1274, 1491781), (1846, 1029539), (3479, 546286), (6461, 294154), (6958, 273143), (12922, 147077), (21011, 90454), (42022, 45227)]