66978848

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 137168640

約数和(自身を除く): 70189792

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 251, 269, 496, 502, 538, 992, 1004, 1076, 2008, 2152, 4016, 4304, 7781, 8032, 8339, 8608, 15562, 16678, 31124, 33356, 62248, 66712, 67519, 124496, 133424, 135038, 248992, 266848, 270076, 540152, 1080304, 2093089, 2160608, 4186178, 8372356, 16744712, 33489424, 66978848]

約数ペア:

[(1, 66978848), (2, 33489424), (4, 16744712), (8, 8372356), (16, 4186178), (31, 2160608), (32, 2093089), (62, 1080304), (124, 540152), (248, 270076), (251, 266848), (269, 248992), (496, 135038), (502, 133424), (538, 124496), (992, 67519), (1004, 66712), (1076, 62248), (2008, 33356), (2152, 31124), (4016, 16678), (4304, 15562), (7781, 8608), (8032, 8339)]