28186378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 48941568

約数和(自身を除く): 20755190

約数列:

[1, 2, 11, 22, 31, 37, 62, 74, 341, 407, 682, 814, 1117, 1147, 2234, 2294, 12287, 12617, 24574, 25234, 34627, 41329, 69254, 82658, 380897, 454619, 761794, 909238, 1281199, 2562398, 14093189, 28186378]

約数ペア:

[(1, 28186378), (2, 14093189), (11, 2562398), (22, 1281199), (31, 909238), (37, 761794), (62, 454619), (74, 380897), (341, 82658), (407, 69254), (682, 41329), (814, 34627), (1117, 25234), (1147, 24574), (2234, 12617), (2294, 12287)]