668776144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{2297}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 1340414208

約数和(自身を除く): 671638064

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 587, 1174, 2297, 2348, 4594, 4696, 9188, 9392, 18197, 18376, 36394, 36752, 71207, 72788, 142414, 145576, 284828, 291152, 569656, 1139312, 1348339, 2696678, 5393356, 10786712, 21573424, 41798509, 83597018, 167194036, 334388072, 668776144]

約数ペア:

[(1, 668776144), (2, 334388072), (4, 167194036), (8, 83597018), (16, 41798509), (31, 21573424), (62, 10786712), (124, 5393356), (248, 2696678), (496, 1348339), (587, 1139312), (1174, 569656), (2297, 291152), (2348, 284828), (4594, 145576), (4696, 142414), (9188, 72788), (9392, 71207), (18197, 36752), (18376, 36394)]