687670672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 1526152320

約数和(自身を除く): 838481648

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 439, 442, 443, 878, 884, 886, 1756, 1768, 1772, 3512, 3536, 3544, 5707, 5759, 7024, 7088, 7463, 7531, 11414, 11518, 14926, 15062, 22828, 23036, 29852, 30124, 45656, 46072, 59704, 60248, 91312, 92144, 97019, 97903, 119408, 120496, 194038, 194477, 195806, 388076, 388954, 391612, 776152, 777908, 783224, 1552304, 1555816, 1566448, 2528201, 3111632, 3306109, 5056402, 6612218, 10112804, 13224436, 20225608, 26448872, 40451216, 42979417, 52897744, 85958834, 171917668, 343835336, 687670672]

約数ペア:

[(1, 687670672), (2, 343835336), (4, 171917668), (8, 85958834), (13, 52897744), (16, 42979417), (17, 40451216), (26, 26448872), (34, 20225608), (52, 13224436), (68, 10112804), (104, 6612218), (136, 5056402), (208, 3306109), (221, 3111632), (272, 2528201), (439, 1566448), (442, 1555816), (443, 1552304), (878, 783224), (884, 777908), (886, 776152), (1756, 391612), (1768, 388954), (1772, 388076), (3512, 195806), (3536, 194477), (3544, 194038), (5707, 120496), (5759, 119408), (7024, 97903), (7088, 97019), (7463, 92144), (7531, 91312), (11414, 60248), (11518, 59704), (14926, 46072), (15062, 45656), (22828, 30124), (23036, 29852)]