221398776

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 622926720

約数和(自身を除く): 401527944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 281, 353, 372, 558, 562, 706, 744, 843, 1059, 1116, 1124, 1412, 1686, 2118, 2232, 2248, 2529, 2824, 3177, 3372, 4236, 5058, 6354, 6744, 8472, 8711, 10116, 10943, 12708, 17422, 20232, 21886, 25416, 26133, 32829, 34844, 43772, 52266, 65658, 69688, 78399, 87544, 98487, 99193, 104532, 131316, 156798, 196974, 198386, 209064, 262632, 297579, 313596, 393948, 396772, 595158, 627192, 787896, 793544, 892737, 1190316, 1785474, 2380632, 3074983, 3570948, 6149966, 7141896, 9224949, 12299932, 18449898, 24599864, 27674847, 36899796, 55349694, 73799592, 110699388, 221398776]

約数ペア:

[(1, 221398776), (2, 110699388), (3, 73799592), (4, 55349694), (6, 36899796), (8, 27674847), (9, 24599864), (12, 18449898), (18, 12299932), (24, 9224949), (31, 7141896), (36, 6149966), (62, 3570948), (72, 3074983), (93, 2380632), (124, 1785474), (186, 1190316), (248, 892737), (279, 793544), (281, 787896), (353, 627192), (372, 595158), (558, 396772), (562, 393948), (706, 313596), (744, 297579), (843, 262632), (1059, 209064), (1116, 198386), (1124, 196974), (1412, 156798), (1686, 131316), (2118, 104532), (2232, 99193), (2248, 98487), (2529, 87544), (2824, 78399), (3177, 69688), (3372, 65658), (4236, 52266), (5058, 43772), (6354, 34844), (6744, 32829), (8472, 26133), (8711, 25416), (10116, 21886), (10943, 20232), (12708, 17422)]