513738454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 824110560

約数和(自身を除く): 310372106

約数列:

[1, 2, 19, 38, 113, 181, 226, 362, 661, 1322, 2147, 3439, 4294, 6878, 12559, 20453, 25118, 40906, 74693, 119641, 149386, 239282, 388607, 777214, 1419167, 2273179, 2838334, 4546358, 13519433, 27038866, 256869227, 513738454]

約数ペア:

[(1, 513738454), (2, 256869227), (19, 27038866), (38, 13519433), (113, 4546358), (181, 2838334), (226, 2273179), (362, 1419167), (661, 777214), (1322, 388607), (2147, 239282), (3439, 149386), (4294, 119641), (6878, 74693), (12559, 40906), (20453, 25118)]