31027284

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 81244800

約数和(自身を除く): 50217516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 71, 122, 142, 183, 199, 213, 244, 284, 366, 398, 426, 549, 597, 639, 732, 796, 852, 1098, 1194, 1278, 1791, 2196, 2388, 2556, 3582, 4331, 7164, 8662, 12139, 12993, 14129, 17324, 24278, 25986, 28258, 36417, 38979, 42387, 48556, 51972, 56516, 72834, 77958, 84774, 109251, 127161, 145668, 155916, 169548, 218502, 254322, 437004, 508644, 861869, 1723738, 2585607, 3447476, 5171214, 7756821, 10342428, 15513642, 31027284]

約数ペア:

[(1, 31027284), (2, 15513642), (3, 10342428), (4, 7756821), (6, 5171214), (9, 3447476), (12, 2585607), (18, 1723738), (36, 861869), (61, 508644), (71, 437004), (122, 254322), (142, 218502), (183, 169548), (199, 155916), (213, 145668), (244, 127161), (284, 109251), (366, 84774), (398, 77958), (426, 72834), (549, 56516), (597, 51972), (639, 48556), (732, 42387), (796, 38979), (852, 36417), (1098, 28258), (1194, 25986), (1278, 24278), (1791, 17324), (2196, 14129), (2388, 12993), (2556, 12139), (3582, 8662), (4331, 7164)]