238468678

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 438681600

約数和(自身を除く): 200212922

約数列:

[1, 2, 7, 14, 31, 59, 62, 67, 118, 134, 139, 217, 278, 413, 434, 469, 826, 938, 973, 1829, 1946, 2077, 3658, 3953, 4154, 4309, 7906, 8201, 8618, 9313, 12803, 14539, 16402, 18626, 25606, 27671, 29078, 30163, 55342, 57407, 60326, 65191, 114814, 122543, 130382, 245086, 254231, 288703, 508462, 549467, 577406, 857801, 1098934, 1715602, 1779617, 2020921, 3559234, 3846269, 4041842, 7692538, 17033477, 34066954, 119234339, 238468678]

約数ペア:

[(1, 238468678), (2, 119234339), (7, 34066954), (14, 17033477), (31, 7692538), (59, 4041842), (62, 3846269), (67, 3559234), (118, 2020921), (134, 1779617), (139, 1715602), (217, 1098934), (278, 857801), (413, 577406), (434, 549467), (469, 508462), (826, 288703), (938, 254231), (973, 245086), (1829, 130382), (1946, 122543), (2077, 114814), (3658, 65191), (3953, 60326), (4154, 57407), (4309, 55342), (7906, 30163), (8201, 29078), (8618, 27671), (9313, 25606), (12803, 18626), (14539, 16402)]