491323728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{8971}}^1$

素因数の和:9152

約数の個数: 80

約数和(自身を含む): 1459636736

約数和(自身を除く): 968313008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 163, 168, 326, 336, 489, 652, 978, 1141, 1304, 1956, 2282, 2608, 3423, 3912, 4564, 6846, 7824, 8971, 9128, 13692, 17942, 18256, 26913, 27384, 35884, 53826, 54768, 62797, 71768, 107652, 125594, 143536, 188391, 215304, 251188, 376782, 430608, 502376, 753564, 1004752, 1462273, 1507128, 2924546, 3014256, 4386819, 5849092, 8773638, 10235911, 11698184, 17547276, 20471822, 23396368, 30707733, 35094552, 40943644, 61415466, 70189104, 81887288, 122830932, 163774576, 245661864, 491323728]

約数ペア:

[(1, 491323728), (2, 245661864), (3, 163774576), (4, 122830932), (6, 81887288), (7, 70189104), (8, 61415466), (12, 40943644), (14, 35094552), (16, 30707733), (21, 23396368), (24, 20471822), (28, 17547276), (42, 11698184), (48, 10235911), (56, 8773638), (84, 5849092), (112, 4386819), (163, 3014256), (168, 2924546), (326, 1507128), (336, 1462273), (489, 1004752), (652, 753564), (978, 502376), (1141, 430608), (1304, 376782), (1956, 251188), (2282, 215304), (2608, 188391), (3423, 143536), (3912, 125594), (4564, 107652), (6846, 71768), (7824, 62797), (8971, 54768), (9128, 53826), (13692, 35884), (17942, 27384), (18256, 26913)]