291314254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 567705600

約数和(自身を除く): 276391346

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 139, 154, 217, 278, 341, 434, 439, 682, 878, 973, 1529, 1946, 2387, 3058, 3073, 4309, 4774, 4829, 6146, 8618, 9658, 10703, 13609, 21406, 27218, 30163, 33803, 47399, 60326, 61021, 67606, 94798, 95263, 122042, 149699, 190526, 299398, 331793, 427147, 663586, 671231, 854294, 1047893, 1342462, 1891651, 2095786, 3783302, 4698617, 9397234, 13241557, 20808161, 26483114, 41616322, 145657127, 291314254]

約数ペア:

[(1, 291314254), (2, 145657127), (7, 41616322), (11, 26483114), (14, 20808161), (22, 13241557), (31, 9397234), (62, 4698617), (77, 3783302), (139, 2095786), (154, 1891651), (217, 1342462), (278, 1047893), (341, 854294), (434, 671231), (439, 663586), (682, 427147), (878, 331793), (973, 299398), (1529, 190526), (1946, 149699), (2387, 122042), (3058, 95263), (3073, 94798), (4309, 67606), (4774, 61021), (4829, 60326), (6146, 47399), (8618, 33803), (9658, 30163), (10703, 27218), (13609, 21406)]