321330256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{14173}}^1$

素因数の和:14303

約数の個数: 40

約数和(自身を含む): 676666760

約数和(自身を除く): 355336504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 11336, 14173, 22672, 28346, 56692, 113384, 184249, 226768, 368498, 736996, 1473992, 1544857, 2947984, 3089714, 6179428, 12358856, 20083141, 24717712, 40166282, 80332564, 160665128, 321330256]

約数ペア:

[(1, 321330256), (2, 160665128), (4, 80332564), (8, 40166282), (13, 24717712), (16, 20083141), (26, 12358856), (52, 6179428), (104, 3089714), (109, 2947984), (208, 1544857), (218, 1473992), (436, 736996), (872, 368498), (1417, 226768), (1744, 184249), (2834, 113384), (5668, 56692), (11336, 28346), (14173, 22672)]