64519910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70901}}^1$

素因数の和:70928

約数の個数: 32

約数和(自身を含む): 142938432

約数和(自身を除く): 78418522

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 70901, 141802, 354505, 496307, 709010, 921713, 992614, 1843426, 2481535, 4608565, 4963070, 6451991, 9217130, 12903982, 32259955, 64519910]

約数ペア:

[(1, 64519910), (2, 32259955), (5, 12903982), (7, 9217130), (10, 6451991), (13, 4963070), (14, 4608565), (26, 2481535), (35, 1843426), (65, 992614), (70, 921713), (91, 709010), (130, 496307), (182, 354505), (455, 141802), (910, 70901)]