87211278

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 244885680

約数和(自身を除く): 157674402

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 89, 98, 99, 101, 126, 147, 154, 178, 198, 202, 231, 267, 294, 303, 441, 462, 534, 539, 606, 623, 693, 707, 801, 882, 909, 979, 1078, 1111, 1246, 1386, 1414, 1602, 1617, 1818, 1869, 1958, 2121, 2222, 2937, 3234, 3333, 3738, 4242, 4361, 4851, 4949, 5607, 5874, 6363, 6666, 6853, 7777, 8722, 8811, 8989, 9702, 9898, 9999, 11214, 12726, 13083, 13706, 14847, 15554, 17622, 17978, 19998, 20559, 23331, 26166, 26967, 29694, 39249, 41118, 44541, 46662, 47971, 53934, 54439, 61677, 62923, 69993, 78498, 80901, 89082, 95942, 98879, 108878, 123354, 125846, 139986, 143913, 161802, 163317, 188769, 197758, 287826, 296637, 326634, 377538, 431739, 440461, 489951, 566307, 593274, 692153, 863478, 880922, 889911, 979902, 1132614, 1321383, 1384306, 1779822, 2076459, 2642766, 3964149, 4152918, 4845071, 6229377, 7928298, 9690142, 12458754, 14535213, 29070426, 43605639, 87211278]

約数ペア:

[(1, 87211278), (2, 43605639), (3, 29070426), (6, 14535213), (7, 12458754), (9, 9690142), (11, 7928298), (14, 6229377), (18, 4845071), (21, 4152918), (22, 3964149), (33, 2642766), (42, 2076459), (49, 1779822), (63, 1384306), (66, 1321383), (77, 1132614), (89, 979902), (98, 889911), (99, 880922), (101, 863478), (126, 692153), (147, 593274), (154, 566307), (178, 489951), (198, 440461), (202, 431739), (231, 377538), (267, 326634), (294, 296637), (303, 287826), (441, 197758), (462, 188769), (534, 163317), (539, 161802), (606, 143913), (623, 139986), (693, 125846), (707, 123354), (801, 108878), (882, 98879), (909, 95942), (979, 89082), (1078, 80901), (1111, 78498), (1246, 69993), (1386, 62923), (1414, 61677), (1602, 54439), (1617, 53934), (1818, 47971), (1869, 46662), (1958, 44541), (2121, 41118), (2222, 39249), (2937, 29694), (3234, 26967), (3333, 26166), (3738, 23331), (4242, 20559), (4361, 19998), (4851, 17978), (4949, 17622), (5607, 15554), (5874, 14847), (6363, 13706), (6666, 13083), (6853, 12726), (7777, 11214), (8722, 9999), (8811, 9898), (8989, 9702)]