220171728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{655273}}^1$

素因数の和:655291

約数の個数: 40

約数和(自身を含む): 650031808

約数和(自身を除く): 429860080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 655273, 1310546, 1965819, 2621092, 3931638, 4586911, 5242184, 7863276, 9173822, 10484368, 13760733, 15726552, 18347644, 27521466, 31453104, 36695288, 55042932, 73390576, 110085864, 220171728]

約数ペア:

[(1, 220171728), (2, 110085864), (3, 73390576), (4, 55042932), (6, 36695288), (7, 31453104), (8, 27521466), (12, 18347644), (14, 15726552), (16, 13760733), (21, 10484368), (24, 9173822), (28, 7863276), (42, 5242184), (48, 4586911), (56, 3931638), (84, 2621092), (112, 1965819), (168, 1310546), (336, 655273)]