321281272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 674150400

約数和(自身を除く): 352869128

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 227, 248, 403, 439, 454, 806, 878, 908, 1612, 1756, 1816, 2951, 3224, 3512, 5707, 5902, 7037, 11414, 11804, 13609, 14074, 22828, 23608, 27218, 28148, 45656, 54436, 56296, 91481, 99653, 108872, 176917, 182962, 199306, 353834, 365924, 398612, 707668, 731848, 797224, 1295489, 1415336, 2590978, 3089243, 5181956, 6178486, 10363912, 12356972, 24713944, 40160159, 80320318, 160640636, 321281272]

約数ペア:

[(1, 321281272), (2, 160640636), (4, 80320318), (8, 40160159), (13, 24713944), (26, 12356972), (31, 10363912), (52, 6178486), (62, 5181956), (104, 3089243), (124, 2590978), (227, 1415336), (248, 1295489), (403, 797224), (439, 731848), (454, 707668), (806, 398612), (878, 365924), (908, 353834), (1612, 199306), (1756, 182962), (1816, 176917), (2951, 108872), (3224, 99653), (3512, 91481), (5707, 56296), (5902, 54436), (7037, 45656), (11414, 28148), (11804, 27218), (13609, 23608), (14074, 22828)]