1320501296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{20963}}^1$

素因数の和:21129

約数の個数: 40

約数和(自身を含む): 2661924864

約数和(自身を除く): 1341423568

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 248, 254, 496, 508, 1016, 2032, 3937, 7874, 15748, 20963, 31496, 41926, 62992, 83852, 167704, 335408, 649853, 1299706, 2599412, 2662301, 5198824, 5324602, 10397648, 10649204, 21298408, 42596816, 82531331, 165062662, 330125324, 660250648, 1320501296]

約数ペア:

[(1, 1320501296), (2, 660250648), (4, 330125324), (8, 165062662), (16, 82531331), (31, 42596816), (62, 21298408), (124, 10649204), (127, 10397648), (248, 5324602), (254, 5198824), (496, 2662301), (508, 2599412), (1016, 1299706), (2032, 649853), (3937, 335408), (7874, 167704), (15748, 83852), (20963, 62992), (31496, 41926)]