68345452

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 143216640

約数和(自身を除く): 74871188

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 217, 284, 434, 497, 868, 994, 1109, 1988, 2201, 2218, 4402, 4436, 7763, 8804, 15407, 15526, 30814, 31052, 34379, 61628, 68758, 78739, 137516, 157478, 240653, 314956, 481306, 551173, 962612, 1102346, 2204692, 2440909, 4881818, 9763636, 17086363, 34172726, 68345452]

約数ペア:

[(1, 68345452), (2, 34172726), (4, 17086363), (7, 9763636), (14, 4881818), (28, 2440909), (31, 2204692), (62, 1102346), (71, 962612), (124, 551173), (142, 481306), (217, 314956), (284, 240653), (434, 157478), (497, 137516), (868, 78739), (994, 68758), (1109, 61628), (1988, 34379), (2201, 31052), (2218, 30814), (4402, 15526), (4436, 15407), (7763, 8804)]