1998796672

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2557}}^1$

素因数の和:2799

約数の個数: 64

約数和(自身を含む): 4132909440

約数和(自身を除く): 2134112768

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 197, 248, 394, 496, 788, 992, 1576, 1984, 2557, 3152, 3968, 5114, 6107, 6304, 10228, 12214, 12608, 20456, 24428, 25216, 40912, 48856, 79267, 81824, 97712, 158534, 163648, 195424, 317068, 327296, 390848, 503729, 634136, 781696, 1007458, 1268272, 2014916, 2536544, 4029832, 5073088, 8059664, 10146176, 15615599, 16119328, 31231198, 32238656, 62462396, 64477312, 124924792, 249849584, 499699168, 999398336, 1998796672]

約数ペア:

[(1, 1998796672), (2, 999398336), (4, 499699168), (8, 249849584), (16, 124924792), (31, 64477312), (32, 62462396), (62, 32238656), (64, 31231198), (124, 16119328), (128, 15615599), (197, 10146176), (248, 8059664), (394, 5073088), (496, 4029832), (788, 2536544), (992, 2014916), (1576, 1268272), (1984, 1007458), (2557, 781696), (3152, 634136), (3968, 503729), (5114, 390848), (6107, 327296), (6304, 317068), (10228, 195424), (12214, 163648), (12608, 158534), (20456, 97712), (24428, 81824), (25216, 79267), (40912, 48856)]