81122752

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:389

約数の個数: 56

約数和(自身を含む): 166420800

約数和(自身を除く): 85298048

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 149, 181, 188, 298, 362, 376, 596, 724, 752, 1192, 1448, 1504, 2384, 2896, 3008, 4768, 5792, 7003, 8507, 9536, 11584, 14006, 17014, 26969, 28012, 34028, 53938, 56024, 68056, 107876, 112048, 136112, 215752, 224096, 272224, 431504, 448192, 544448, 863008, 1267543, 1726016, 2535086, 5070172, 10140344, 20280688, 40561376, 81122752]

約数ペア:

[(1, 81122752), (2, 40561376), (4, 20280688), (8, 10140344), (16, 5070172), (32, 2535086), (47, 1726016), (64, 1267543), (94, 863008), (149, 544448), (181, 448192), (188, 431504), (298, 272224), (362, 224096), (376, 215752), (596, 136112), (724, 112048), (752, 107876), (1192, 68056), (1448, 56024), (1504, 53938), (2384, 34028), (2896, 28012), (3008, 26969), (4768, 17014), (5792, 14006), (7003, 11584), (8507, 9536)]