255689488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{2671}}^1$

素因数の和:2903

約数の個数: 40

約数和(自身を含む): 514221056

約数和(自身を除く): 258531568

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 193, 248, 386, 496, 772, 1544, 2671, 3088, 5342, 5983, 10684, 11966, 21368, 23932, 42736, 47864, 82801, 95728, 165602, 331204, 515503, 662408, 1031006, 1324816, 2062012, 4124024, 8248048, 15980593, 31961186, 63922372, 127844744, 255689488]

約数ペア:

[(1, 255689488), (2, 127844744), (4, 63922372), (8, 31961186), (16, 15980593), (31, 8248048), (62, 4124024), (124, 2062012), (193, 1324816), (248, 1031006), (386, 662408), (496, 515503), (772, 331204), (1544, 165602), (2671, 95728), (3088, 82801), (5342, 47864), (5983, 42736), (10684, 23932), (11966, 21368)]