647405132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1\times {\mathrm{727}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 1273429248

約数和(自身を除く): 626024116

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 547, 727, 814, 1094, 1454, 1628, 2188, 2908, 6017, 7997, 12034, 15994, 20239, 24068, 26899, 31988, 40478, 53798, 80956, 107596, 222629, 295889, 397669, 445258, 591778, 795338, 890516, 1183556, 1590676, 4374359, 8748718, 14713753, 17497436, 29427506, 58855012, 161851283, 323702566, 647405132]

約数ペア:

[(1, 647405132), (2, 323702566), (4, 161851283), (11, 58855012), (22, 29427506), (37, 17497436), (44, 14713753), (74, 8748718), (148, 4374359), (407, 1590676), (547, 1183556), (727, 890516), (814, 795338), (1094, 591778), (1454, 445258), (1628, 397669), (2188, 295889), (2908, 222629), (6017, 107596), (7997, 80956), (12034, 53798), (15994, 40478), (20239, 31988), (24068, 26899)]