281542248

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 851219460

約数和(自身を除く): 569677212

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 313, 372, 403, 468, 558, 626, 744, 806, 936, 939, 961, 1116, 1209, 1252, 1612, 1878, 1922, 2232, 2418, 2504, 2817, 2883, 3224, 3627, 3756, 3844, 4069, 4836, 5634, 5766, 7254, 7512, 7688, 8138, 8649, 9672, 9703, 11268, 11532, 12207, 12493, 14508, 16276, 17298, 19406, 22536, 23064, 24414, 24986, 29016, 29109, 32552, 34596, 36621, 37479, 38812, 48828, 49972, 58218, 69192, 73242, 74958, 77624, 87327, 97656, 99944, 112437, 116436, 126139, 146484, 149916, 174654, 224874, 232872, 252278, 292968, 299832, 300793, 349308, 378417, 449748, 504556, 601586, 698616, 756834, 899496, 902379, 1009112, 1135251, 1203172, 1513668, 1804758, 2270502, 2406344, 2707137, 3027336, 3609516, 3910309, 4541004, 5414274, 7219032, 7820618, 9082008, 10828548, 11730927, 15641236, 21657096, 23461854, 31282472, 35192781, 46923708, 70385562, 93847416, 140771124, 281542248]

約数ペア:

[(1, 281542248), (2, 140771124), (3, 93847416), (4, 70385562), (6, 46923708), (8, 35192781), (9, 31282472), (12, 23461854), (13, 21657096), (18, 15641236), (24, 11730927), (26, 10828548), (31, 9082008), (36, 7820618), (39, 7219032), (52, 5414274), (62, 4541004), (72, 3910309), (78, 3609516), (93, 3027336), (104, 2707137), (117, 2406344), (124, 2270502), (156, 1804758), (186, 1513668), (234, 1203172), (248, 1135251), (279, 1009112), (312, 902379), (313, 899496), (372, 756834), (403, 698616), (468, 601586), (558, 504556), (626, 449748), (744, 378417), (806, 349308), (936, 300793), (939, 299832), (961, 292968), (1116, 252278), (1209, 232872), (1252, 224874), (1612, 174654), (1878, 149916), (1922, 146484), (2232, 126139), (2418, 116436), (2504, 112437), (2817, 99944), (2883, 97656), (3224, 87327), (3627, 77624), (3756, 74958), (3844, 73242), (4069, 69192), (4836, 58218), (5634, 49972), (5766, 48828), (7254, 38812), (7512, 37479), (7688, 36621), (8138, 34596), (8649, 32552), (9672, 29109), (9703, 29016), (11268, 24986), (11532, 24414), (12207, 23064), (12493, 22536), (14508, 19406), (16276, 17298)]