81215196

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 210470400

約数和(自身を除く): 129255204

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 71, 76, 87, 114, 116, 142, 173, 174, 213, 228, 284, 346, 348, 426, 519, 551, 692, 852, 1038, 1102, 1349, 1653, 2059, 2076, 2204, 2698, 3287, 3306, 4047, 4118, 5017, 5396, 6177, 6574, 6612, 8094, 8236, 9861, 10034, 12283, 12354, 13148, 15051, 16188, 19722, 20068, 24566, 24708, 30102, 36849, 39121, 39444, 49132, 60204, 73698, 78242, 95323, 117363, 147396, 156484, 190646, 233377, 234726, 285969, 356207, 381292, 466754, 469452, 571938, 700131, 712414, 933508, 1068621, 1143876, 1400262, 1424828, 2137242, 2800524, 4274484, 6767933, 13535866, 20303799, 27071732, 40607598, 81215196]

約数ペア:

[(1, 81215196), (2, 40607598), (3, 27071732), (4, 20303799), (6, 13535866), (12, 6767933), (19, 4274484), (29, 2800524), (38, 2137242), (57, 1424828), (58, 1400262), (71, 1143876), (76, 1068621), (87, 933508), (114, 712414), (116, 700131), (142, 571938), (173, 469452), (174, 466754), (213, 381292), (228, 356207), (284, 285969), (346, 234726), (348, 233377), (426, 190646), (519, 156484), (551, 147396), (692, 117363), (852, 95323), (1038, 78242), (1102, 73698), (1349, 60204), (1653, 49132), (2059, 39444), (2076, 39121), (2204, 36849), (2698, 30102), (3287, 24708), (3306, 24566), (4047, 20068), (4118, 19722), (5017, 16188), (5396, 15051), (6177, 13148), (6574, 12354), (6612, 12283), (8094, 10034), (8236, 9861)]