1639478896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{300491}}^1$

素因数の和:300541

約数の個数: 40

約数和(自身を含む): 3577056768

約数和(自身を除く): 1937577872

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 300491, 600982, 1201964, 2403928, 3305401, 4807856, 6610802, 9315221, 13221604, 18630442, 26443208, 37260884, 52886416, 74521768, 102467431, 149043536, 204934862, 409869724, 819739448, 1639478896]

約数ペア:

[(1, 1639478896), (2, 819739448), (4, 409869724), (8, 204934862), (11, 149043536), (16, 102467431), (22, 74521768), (31, 52886416), (44, 37260884), (62, 26443208), (88, 18630442), (124, 13221604), (176, 9315221), (248, 6610802), (341, 4807856), (496, 3305401), (682, 2403928), (1364, 1201964), (2728, 600982), (5456, 300491)]