31264992

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 99066240

約数和(自身を除く): 67801248

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 71, 72, 88, 96, 99, 132, 139, 142, 144, 176, 198, 213, 264, 278, 284, 288, 352, 396, 417, 426, 528, 556, 568, 639, 781, 792, 834, 852, 1056, 1112, 1136, 1251, 1278, 1529, 1562, 1584, 1668, 1704, 2224, 2272, 2343, 2502, 2556, 3058, 3124, 3168, 3336, 3408, 4448, 4587, 4686, 5004, 5112, 6116, 6248, 6672, 6816, 7029, 9174, 9372, 9869, 10008, 10224, 12232, 12496, 13344, 13761, 14058, 18348, 18744, 19738, 20016, 20448, 24464, 24992, 27522, 28116, 29607, 36696, 37488, 39476, 40032, 48928, 55044, 56232, 59214, 73392, 74976, 78952, 88821, 108559, 110088, 112464, 118428, 146784, 157904, 177642, 217118, 220176, 224928, 236856, 315808, 325677, 355284, 434236, 440352, 473712, 651354, 710568, 868472, 947424, 977031, 1302708, 1421136, 1736944, 1954062, 2605416, 2842272, 3473888, 3908124, 5210832, 7816248, 10421664, 15632496, 31264992]

約数ペア:

[(1, 31264992), (2, 15632496), (3, 10421664), (4, 7816248), (6, 5210832), (8, 3908124), (9, 3473888), (11, 2842272), (12, 2605416), (16, 1954062), (18, 1736944), (22, 1421136), (24, 1302708), (32, 977031), (33, 947424), (36, 868472), (44, 710568), (48, 651354), (66, 473712), (71, 440352), (72, 434236), (88, 355284), (96, 325677), (99, 315808), (132, 236856), (139, 224928), (142, 220176), (144, 217118), (176, 177642), (198, 157904), (213, 146784), (264, 118428), (278, 112464), (284, 110088), (288, 108559), (352, 88821), (396, 78952), (417, 74976), (426, 73392), (528, 59214), (556, 56232), (568, 55044), (639, 48928), (781, 40032), (792, 39476), (834, 37488), (852, 36696), (1056, 29607), (1112, 28116), (1136, 27522), (1251, 24992), (1278, 24464), (1529, 20448), (1562, 20016), (1584, 19738), (1668, 18744), (1704, 18348), (2224, 14058), (2272, 13761), (2343, 13344), (2502, 12496), (2556, 12232), (3058, 10224), (3124, 10008), (3168, 9869), (3336, 9372), (3408, 9174), (4448, 7029), (4587, 6816), (4686, 6672), (5004, 6248), (5112, 6116)]