72971458

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{439}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 129761280

約数和(自身を除く): 56789822

約数列:

[1, 2, 7, 14, 31, 62, 217, 383, 434, 439, 766, 878, 2681, 3073, 5362, 6146, 11873, 13609, 23746, 27218, 83111, 95263, 166222, 168137, 190526, 336274, 1176959, 2353918, 5212247, 10424494, 36485729, 72971458]

約数ペア:

[(1, 72971458), (2, 36485729), (7, 10424494), (14, 5212247), (31, 2353918), (62, 1176959), (217, 336274), (383, 190526), (434, 168137), (439, 166222), (766, 95263), (878, 83111), (2681, 27218), (3073, 23746), (5362, 13609), (6146, 11873)]