31887338

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 28938262

約数列:

[1, 2, 7, 14, 23, 43, 46, 47, 49, 86, 94, 98, 161, 301, 322, 329, 343, 602, 658, 686, 989, 1081, 1127, 1978, 2021, 2107, 2162, 2254, 2303, 4042, 4214, 4606, 6923, 7567, 7889, 13846, 14147, 14749, 15134, 15778, 16121, 28294, 29498, 32242, 46483, 48461, 52969, 92966, 96922, 99029, 105938, 198058, 325381, 339227, 370783, 650762, 678454, 693203, 741566, 1386406, 2277667, 4555334, 15943669, 31887338]

約数ペア:

[(1, 31887338), (2, 15943669), (7, 4555334), (14, 2277667), (23, 1386406), (43, 741566), (46, 693203), (47, 678454), (49, 650762), (86, 370783), (94, 339227), (98, 325381), (161, 198058), (301, 105938), (322, 99029), (329, 96922), (343, 92966), (602, 52969), (658, 48461), (686, 46483), (989, 32242), (1081, 29498), (1127, 28294), (1978, 16121), (2021, 15778), (2107, 15134), (2162, 14749), (2254, 14147), (2303, 13846), (4042, 7889), (4214, 7567), (4606, 6923)]