1914711955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 2730309120

約数和(自身を除く): 815597165

約数列:

[1, 5, 13, 17, 43, 59, 65, 85, 215, 221, 295, 559, 683, 731, 767, 1003, 1105, 2537, 2795, 3415, 3655, 3835, 5015, 8879, 9503, 11611, 12685, 13039, 29369, 32981, 40297, 43129, 44395, 47515, 58055, 65195, 146845, 150943, 164905, 201485, 215645, 381797, 499273, 523861, 560677, 685049, 754715, 1732771, 1908985, 2496365, 2619305, 2803385, 3425245, 6490549, 8663855, 8905637, 22526023, 29457107, 32452745, 44528185, 112630115, 147285535, 382942391, 1914711955]

約数ペア:

[(1, 1914711955), (5, 382942391), (13, 147285535), (17, 112630115), (43, 44528185), (59, 32452745), (65, 29457107), (85, 22526023), (215, 8905637), (221, 8663855), (295, 6490549), (559, 3425245), (683, 2803385), (731, 2619305), (767, 2496365), (1003, 1908985), (1105, 1732771), (2537, 754715), (2795, 685049), (3415, 560677), (3655, 523861), (3835, 499273), (5015, 381797), (8879, 215645), (9503, 201485), (11611, 164905), (12685, 150943), (13039, 146845), (29369, 65195), (32981, 58055), (40297, 47515), (43129, 44395)]