23981515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 7951925

約数列:

[1, 5, 19, 41, 47, 95, 131, 205, 235, 655, 779, 893, 1927, 2489, 3895, 4465, 5371, 6157, 9635, 12445, 26855, 30785, 36613, 102049, 116983, 183065, 252437, 510245, 584915, 1262185, 4796303, 23981515]

約数ペア:

[(1, 23981515), (5, 4796303), (19, 1262185), (41, 584915), (47, 510245), (95, 252437), (131, 183065), (205, 116983), (235, 102049), (655, 36613), (779, 30785), (893, 26855), (1927, 12445), (2489, 9635), (3895, 6157), (4465, 5371)]