2155492775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 2845317888

約数和(自身を除く): 689825113

約数列:

[1, 5, 25, 31, 53, 97, 155, 265, 485, 541, 775, 1325, 1643, 2425, 2705, 3007, 5141, 8215, 13525, 15035, 16771, 25705, 28673, 41075, 52477, 75175, 83855, 128525, 143365, 159371, 262385, 419275, 716825, 796855, 888863, 1311925, 1626787, 2781281, 3984275, 4444315, 8133935, 13906405, 22221575, 40669675, 69532025, 86219711, 431098555, 2155492775]

約数ペア:

[(1, 2155492775), (5, 431098555), (25, 86219711), (31, 69532025), (53, 40669675), (97, 22221575), (155, 13906405), (265, 8133935), (485, 4444315), (541, 3984275), (775, 2781281), (1325, 1626787), (1643, 1311925), (2425, 888863), (2705, 796855), (3007, 716825), (5141, 419275), (8215, 262385), (13525, 159371), (15035, 143365), (16771, 128525), (25705, 83855), (28673, 75175), (41075, 52477)]