678387384

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{303937}}^1$

素因数の和:303980

約数の個数: 48

約数和(自身を含む): 1896573120

約数和(自身を除く): 1218185736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 303937, 607874, 911811, 1215748, 1823622, 2431496, 2735433, 3647244, 5470866, 7294488, 9422047, 10941732, 18844094, 21883464, 28266141, 37688188, 56532282, 75376376, 84798423, 113064564, 169596846, 226129128, 339193692, 678387384]

約数ペア:

[(1, 678387384), (2, 339193692), (3, 226129128), (4, 169596846), (6, 113064564), (8, 84798423), (9, 75376376), (12, 56532282), (18, 37688188), (24, 28266141), (31, 21883464), (36, 18844094), (62, 10941732), (72, 9422047), (93, 7294488), (124, 5470866), (186, 3647244), (248, 2735433), (279, 2431496), (372, 1823622), (558, 1215748), (744, 911811), (1116, 607874), (2232, 303937)]