61867964

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:638

約数の個数: 36

約数和(自身を含む): 116303880

約数和(自身を除く): 54435916

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 289, 436, 491, 578, 982, 1156, 1853, 1964, 3706, 7412, 8347, 16694, 31501, 33388, 53519, 63002, 107038, 126004, 141899, 214076, 283798, 567596, 909823, 1819646, 3639292, 15466991, 30933982, 61867964]

約数ペア:

[(1, 61867964), (2, 30933982), (4, 15466991), (17, 3639292), (34, 1819646), (68, 909823), (109, 567596), (218, 283798), (289, 214076), (436, 141899), (491, 126004), (578, 107038), (982, 63002), (1156, 53519), (1853, 33388), (1964, 31501), (3706, 16694), (7412, 8347)]