642155136

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{238897}}^1$

素因数の和:238921

約数の個数: 64

約数和(自身を含む): 1949407680

約数和(自身を除く): 1307252544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 238897, 477794, 716691, 955588, 1433382, 1672279, 1911176, 2866764, 3344558, 3822352, 5016837, 5733528, 6689116, 7644704, 10033674, 11467056, 13378232, 15289408, 20067348, 22934112, 26756464, 30578816, 40134696, 45868224, 53512928, 80269392, 91736448, 107025856, 160538784, 214051712, 321077568, 642155136]

約数ペア:

[(1, 642155136), (2, 321077568), (3, 214051712), (4, 160538784), (6, 107025856), (7, 91736448), (8, 80269392), (12, 53512928), (14, 45868224), (16, 40134696), (21, 30578816), (24, 26756464), (28, 22934112), (32, 20067348), (42, 15289408), (48, 13378232), (56, 11467056), (64, 10033674), (84, 7644704), (96, 6689116), (112, 5733528), (128, 5016837), (168, 3822352), (192, 3344558), (224, 2866764), (336, 1911176), (384, 1672279), (448, 1433382), (672, 955588), (896, 716691), (1344, 477794), (2688, 238897)]