856421694

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20359}}^1$

素因数の和:20430

約数の個数: 64

約数和(自身を含む): 2052288000

約数和(自身を除く): 1195866306

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 41, 54, 57, 82, 114, 123, 171, 246, 342, 369, 513, 738, 779, 1026, 1107, 1558, 2214, 2337, 4674, 7011, 14022, 20359, 21033, 40718, 42066, 61077, 122154, 183231, 366462, 386821, 549693, 773642, 834719, 1099386, 1160463, 1669438, 2320926, 2504157, 3481389, 5008314, 6962778, 7512471, 10444167, 15024942, 15859661, 20888334, 22537413, 31719322, 45074826, 47578983, 95157966, 142736949, 285473898, 428210847, 856421694]

約数ペア:

[(1, 856421694), (2, 428210847), (3, 285473898), (6, 142736949), (9, 95157966), (18, 47578983), (19, 45074826), (27, 31719322), (38, 22537413), (41, 20888334), (54, 15859661), (57, 15024942), (82, 10444167), (114, 7512471), (123, 6962778), (171, 5008314), (246, 3481389), (342, 2504157), (369, 2320926), (513, 1669438), (738, 1160463), (779, 1099386), (1026, 834719), (1107, 773642), (1558, 549693), (2214, 386821), (2337, 366462), (4674, 183231), (7011, 122154), (14022, 61077), (20359, 42066), (21033, 40718)]