278563272

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 785756160

約数和(自身を除く): 507192888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 83, 93, 104, 124, 156, 166, 186, 248, 249, 312, 332, 347, 372, 403, 498, 664, 694, 744, 806, 996, 1041, 1079, 1209, 1388, 1612, 1992, 2082, 2158, 2418, 2573, 2776, 3224, 3237, 4164, 4316, 4511, 4836, 5146, 6474, 7719, 8328, 8632, 9022, 9672, 10292, 10757, 12948, 13533, 15438, 18044, 20584, 21514, 25896, 27066, 28801, 30876, 32271, 33449, 36088, 43028, 54132, 57602, 61752, 64542, 66898, 86056, 86403, 100347, 108264, 115204, 129084, 133796, 139841, 172806, 200694, 230408, 258168, 267592, 279682, 345612, 374413, 401388, 419523, 559364, 691224, 748826, 802776, 839046, 892831, 1118728, 1123239, 1497652, 1678092, 1785662, 2246478, 2678493, 2995304, 3356184, 3571324, 4492956, 5356986, 7142648, 8985912, 10713972, 11606803, 21427944, 23213606, 34820409, 46427212, 69640818, 92854424, 139281636, 278563272]

約数ペア:

[(1, 278563272), (2, 139281636), (3, 92854424), (4, 69640818), (6, 46427212), (8, 34820409), (12, 23213606), (13, 21427944), (24, 11606803), (26, 10713972), (31, 8985912), (39, 7142648), (52, 5356986), (62, 4492956), (78, 3571324), (83, 3356184), (93, 2995304), (104, 2678493), (124, 2246478), (156, 1785662), (166, 1678092), (186, 1497652), (248, 1123239), (249, 1118728), (312, 892831), (332, 839046), (347, 802776), (372, 748826), (403, 691224), (498, 559364), (664, 419523), (694, 401388), (744, 374413), (806, 345612), (996, 279682), (1041, 267592), (1079, 258168), (1209, 230408), (1388, 200694), (1612, 172806), (1992, 139841), (2082, 133796), (2158, 129084), (2418, 115204), (2573, 108264), (2776, 100347), (3224, 86403), (3237, 86056), (4164, 66898), (4316, 64542), (4511, 61752), (4836, 57602), (5146, 54132), (6474, 43028), (7719, 36088), (8328, 33449), (8632, 32271), (9022, 30876), (9672, 28801), (10292, 27066), (10757, 25896), (12948, 21514), (13533, 20584), (15438, 18044)]