221000248

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3919}}^1$

素因数の和:4004

約数の個数: 64

約数和(自身を含む): 508032000

約数和(自身を除く): 287031752

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 53, 56, 76, 106, 133, 152, 212, 266, 371, 424, 532, 742, 1007, 1064, 1484, 2014, 2968, 3919, 4028, 7049, 7838, 8056, 14098, 15676, 27433, 28196, 31352, 54866, 56392, 74461, 109732, 148922, 207707, 219464, 297844, 415414, 521227, 595688, 830828, 1042454, 1453949, 1661656, 2084908, 2907898, 3946433, 4169816, 5815796, 7892866, 11631592, 15785732, 27625031, 31571464, 55250062, 110500124, 221000248]

約数ペア:

[(1, 221000248), (2, 110500124), (4, 55250062), (7, 31571464), (8, 27625031), (14, 15785732), (19, 11631592), (28, 7892866), (38, 5815796), (53, 4169816), (56, 3946433), (76, 2907898), (106, 2084908), (133, 1661656), (152, 1453949), (212, 1042454), (266, 830828), (371, 595688), (424, 521227), (532, 415414), (742, 297844), (1007, 219464), (1064, 207707), (1484, 148922), (2014, 109732), (2968, 74461), (3919, 56392), (4028, 54866), (7049, 31352), (7838, 28196), (8056, 27433), (14098, 15676)]