215820346

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{1217}}^1$

素因数の和:1518

約数の個数: 32

約数和(自身を含む): 378846720

約数和(自身を除く): 163026374

約数列:

[1, 2, 7, 14, 53, 106, 239, 371, 478, 742, 1217, 1673, 2434, 3346, 8519, 12667, 17038, 25334, 64501, 88669, 129002, 177338, 290863, 451507, 581726, 903014, 2036041, 4072082, 15415739, 30831478, 107910173, 215820346]

約数ペア:

[(1, 215820346), (2, 107910173), (7, 30831478), (14, 15415739), (53, 4072082), (106, 2036041), (239, 903014), (371, 581726), (478, 451507), (742, 290863), (1217, 177338), (1673, 129002), (2434, 88669), (3346, 64501), (8519, 25334), (12667, 17038)]