71115964

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{61519}}^1$

素因数の和:61557

約数の個数: 18

約数和(自身を含む): 132206480

約数和(自身を除く): 61090516

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 61519, 123038, 246076, 1045823, 2091646, 4183292, 17778991, 35557982, 71115964]

約数ペア:

[(1, 71115964), (2, 35557982), (4, 17778991), (17, 4183292), (34, 2091646), (68, 1045823), (289, 246076), (578, 123038), (1156, 61519)]