641392994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{7789}}^1$

素因数の和:8018

約数の個数: 32

約数和(自身を含む): 1110542400

約数和(自身を除く): 469149406

約数列:

[1, 2, 11, 19, 22, 38, 197, 209, 394, 418, 2167, 3743, 4334, 7486, 7789, 15578, 41173, 82346, 85679, 147991, 171358, 295982, 1534433, 1627901, 3068866, 3255802, 16878763, 29154227, 33757526, 58308454, 320696497, 641392994]

約数ペア:

[(1, 641392994), (2, 320696497), (11, 58308454), (19, 33757526), (22, 29154227), (38, 16878763), (197, 3255802), (209, 3068866), (394, 1627901), (418, 1534433), (2167, 295982), (3743, 171358), (4334, 147991), (7486, 85679), (7789, 82346), (15578, 41173)]