31797376

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 69272280

約数和(自身を除く): 37474904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 128, 194, 197, 208, 388, 394, 416, 776, 788, 832, 1261, 1552, 1576, 1664, 2522, 2561, 3104, 3152, 5044, 5122, 6208, 6304, 10088, 10244, 12416, 12608, 19109, 20176, 20488, 25216, 38218, 40352, 40976, 76436, 80704, 81952, 152872, 161408, 163904, 248417, 305744, 327808, 496834, 611488, 993668, 1222976, 1987336, 2445952, 3974672, 7949344, 15898688, 31797376]

約数ペア:

[(1, 31797376), (2, 15898688), (4, 7949344), (8, 3974672), (13, 2445952), (16, 1987336), (26, 1222976), (32, 993668), (52, 611488), (64, 496834), (97, 327808), (104, 305744), (128, 248417), (194, 163904), (197, 161408), (208, 152872), (388, 81952), (394, 80704), (416, 76436), (776, 40976), (788, 40352), (832, 38218), (1261, 25216), (1552, 20488), (1576, 20176), (1664, 19109), (2522, 12608), (2561, 12416), (3104, 10244), (3152, 10088), (5044, 6304), (5122, 6208)]