281365728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{418699}}^1$

素因数の和:418719

約数の個数: 48

約数和(自身を含む): 844099200

約数和(自身を除く): 562733472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 418699, 837398, 1256097, 1674796, 2512194, 2930893, 3349592, 5024388, 5861786, 6699184, 8792679, 10048776, 11723572, 13398368, 17585358, 20097552, 23447144, 35170716, 40195104, 46894288, 70341432, 93788576, 140682864, 281365728]

約数ペア:

[(1, 281365728), (2, 140682864), (3, 93788576), (4, 70341432), (6, 46894288), (7, 40195104), (8, 35170716), (12, 23447144), (14, 20097552), (16, 17585358), (21, 13398368), (24, 11723572), (28, 10048776), (32, 8792679), (42, 6699184), (48, 5861786), (56, 5024388), (84, 3349592), (96, 2930893), (112, 2512194), (168, 1674796), (224, 1256097), (336, 837398), (672, 418699)]