64914790

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 118765440

約数和(自身を除く): 53850650

約数列:

[1, 2, 5, 10, 157, 173, 239, 314, 346, 478, 785, 865, 1195, 1570, 1730, 2390, 27161, 37523, 41347, 54322, 75046, 82694, 135805, 187615, 206735, 271610, 375230, 413470, 6491479, 12982958, 32457395, 64914790]

約数ペア:

[(1, 64914790), (2, 32457395), (5, 12982958), (10, 6491479), (157, 413470), (173, 375230), (239, 271610), (314, 206735), (346, 187615), (478, 135805), (785, 82694), (865, 75046), (1195, 54322), (1570, 41347), (1730, 37523), (2390, 27161)]