64793690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 131193216

約数和(自身を除く): 66399526

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 67, 86, 130, 134, 173, 215, 335, 346, 430, 559, 670, 865, 871, 1118, 1730, 1742, 2249, 2795, 2881, 4355, 4498, 5590, 5762, 7439, 8710, 11245, 11591, 14405, 14878, 22490, 23182, 28810, 37195, 37453, 57955, 74390, 74906, 96707, 115910, 150683, 187265, 193414, 301366, 374530, 483535, 498413, 753415, 967070, 996826, 1506830, 2492065, 4984130, 6479369, 12958738, 32396845, 64793690]

約数ペア:

[(1, 64793690), (2, 32396845), (5, 12958738), (10, 6479369), (13, 4984130), (26, 2492065), (43, 1506830), (65, 996826), (67, 967070), (86, 753415), (130, 498413), (134, 483535), (173, 374530), (215, 301366), (335, 193414), (346, 187265), (430, 150683), (559, 115910), (670, 96707), (865, 74906), (871, 74390), (1118, 57955), (1730, 37453), (1742, 37195), (2249, 28810), (2795, 23182), (2881, 22490), (4355, 14878), (4498, 14405), (5590, 11591), (5762, 11245), (7439, 8710)]