12571910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 25218864

約数和(自身を除く): 12646954

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 173, 215, 338, 346, 430, 559, 845, 865, 1118, 1690, 1730, 2249, 2795, 4498, 5590, 7267, 7439, 11245, 14534, 14878, 22490, 29237, 36335, 37195, 58474, 72670, 74390, 96707, 146185, 193414, 292370, 483535, 967070, 1257191, 2514382, 6285955, 12571910]

約数ペア:

[(1, 12571910), (2, 6285955), (5, 2514382), (10, 1257191), (13, 967070), (26, 483535), (43, 292370), (65, 193414), (86, 146185), (130, 96707), (169, 74390), (173, 72670), (215, 58474), (338, 37195), (346, 36335), (430, 29237), (559, 22490), (845, 14878), (865, 14534), (1118, 11245), (1690, 7439), (1730, 7267), (2249, 5590), (2795, 4498)]