155857212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 473001984

約数和(自身を除く): 317144772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 71, 84, 93, 124, 126, 142, 186, 213, 217, 252, 279, 281, 284, 372, 426, 434, 497, 558, 562, 639, 651, 843, 852, 868, 994, 1116, 1124, 1278, 1302, 1491, 1686, 1953, 1967, 1988, 2201, 2529, 2556, 2604, 2982, 3372, 3906, 3934, 4402, 4473, 5058, 5901, 5964, 6603, 7812, 7868, 8711, 8804, 8946, 10116, 11802, 13206, 15407, 17422, 17703, 17892, 19809, 19951, 23604, 26133, 26412, 30814, 34844, 35406, 39618, 39902, 46221, 52266, 59853, 60977, 61628, 70812, 78399, 79236, 79804, 92442, 104532, 119706, 121954, 138663, 139657, 156798, 179559, 182931, 184884, 239412, 243908, 277326, 279314, 313596, 359118, 365862, 418971, 548793, 554652, 558628, 618481, 718236, 731724, 837942, 1097586, 1236962, 1256913, 1675884, 1855443, 2195172, 2473924, 2513826, 3710886, 4329367, 5027652, 5566329, 7421772, 8658734, 11132658, 12988101, 17317468, 22265316, 25976202, 38964303, 51952404, 77928606, 155857212]

約数ペア:

[(1, 155857212), (2, 77928606), (3, 51952404), (4, 38964303), (6, 25976202), (7, 22265316), (9, 17317468), (12, 12988101), (14, 11132658), (18, 8658734), (21, 7421772), (28, 5566329), (31, 5027652), (36, 4329367), (42, 3710886), (62, 2513826), (63, 2473924), (71, 2195172), (84, 1855443), (93, 1675884), (124, 1256913), (126, 1236962), (142, 1097586), (186, 837942), (213, 731724), (217, 718236), (252, 618481), (279, 558628), (281, 554652), (284, 548793), (372, 418971), (426, 365862), (434, 359118), (497, 313596), (558, 279314), (562, 277326), (639, 243908), (651, 239412), (843, 184884), (852, 182931), (868, 179559), (994, 156798), (1116, 139657), (1124, 138663), (1278, 121954), (1302, 119706), (1491, 104532), (1686, 92442), (1953, 79804), (1967, 79236), (1988, 78399), (2201, 70812), (2529, 61628), (2556, 60977), (2604, 59853), (2982, 52266), (3372, 46221), (3906, 39902), (3934, 39618), (4402, 35406), (4473, 34844), (5058, 30814), (5901, 26412), (5964, 26133), (6603, 23604), (7812, 19951), (7868, 19809), (8711, 17892), (8804, 17703), (8946, 17422), (10116, 15407), (11802, 13206)]