390528688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{20357}}^1$

素因数の和:20485

約数の個数: 40

約数和(自身を含む): 833049360

約数和(自身を除く): 442520672

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1199, 1744, 2398, 4796, 9592, 19184, 20357, 40714, 81428, 162856, 223927, 325712, 447854, 895708, 1791416, 2218913, 3582832, 4437826, 8875652, 17751304, 24408043, 35502608, 48816086, 97632172, 195264344, 390528688]

約数ペア:

[(1, 390528688), (2, 195264344), (4, 97632172), (8, 48816086), (11, 35502608), (16, 24408043), (22, 17751304), (44, 8875652), (88, 4437826), (109, 3582832), (176, 2218913), (218, 1791416), (436, 895708), (872, 447854), (1199, 325712), (1744, 223927), (2398, 162856), (4796, 81428), (9592, 40714), (19184, 20357)]