64870144

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 135983232

約数和(自身を除く): 71113088

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 83, 86, 128, 142, 166, 172, 256, 284, 332, 344, 568, 664, 688, 1136, 1328, 1376, 2272, 2656, 2752, 3053, 3569, 4544, 5312, 5504, 5893, 6106, 7138, 9088, 10624, 11008, 11786, 12212, 14276, 18176, 21248, 23572, 24424, 28552, 47144, 48848, 57104, 94288, 97696, 114208, 188576, 195392, 228416, 253399, 377152, 390784, 456832, 506798, 754304, 781568, 913664, 1013596, 1508608, 2027192, 4054384, 8108768, 16217536, 32435072, 64870144]

約数ペア:

[(1, 64870144), (2, 32435072), (4, 16217536), (8, 8108768), (16, 4054384), (32, 2027192), (43, 1508608), (64, 1013596), (71, 913664), (83, 781568), (86, 754304), (128, 506798), (142, 456832), (166, 390784), (172, 377152), (256, 253399), (284, 228416), (332, 195392), (344, 188576), (568, 114208), (664, 97696), (688, 94288), (1136, 57104), (1328, 48848), (1376, 47144), (2272, 28552), (2656, 24424), (2752, 23572), (3053, 21248), (3569, 18176), (4544, 14276), (5312, 12212), (5504, 11786), (5893, 11008), (6106, 10624), (7138, 9088)]