389664496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{27961}}^1$

素因数の和:28049

約数の個数: 40

約数和(自身を含む): 825214544

約数和(自身を除く): 435550048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 27961, 55922, 111844, 223688, 363493, 447376, 726986, 1453972, 1873387, 2907944, 3746774, 5815888, 7493548, 14987096, 24354031, 29974192, 48708062, 97416124, 194832248, 389664496]

約数ペア:

[(1, 389664496), (2, 194832248), (4, 97416124), (8, 48708062), (13, 29974192), (16, 24354031), (26, 14987096), (52, 7493548), (67, 5815888), (104, 3746774), (134, 2907944), (208, 1873387), (268, 1453972), (536, 726986), (871, 447376), (1072, 363493), (1742, 223688), (3484, 111844), (6968, 55922), (13936, 27961)]