81476712

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19853}}^1$

素因数の和:19887

約数の個数: 64

約数和(自身を含む): 238248000

約数和(自身を除く): 156771288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 19853, 39706, 59559, 79412, 119118, 158824, 178677, 238236, 357354, 377207, 476472, 536031, 714708, 754414, 1072062, 1131621, 1429416, 1508828, 2144124, 2263242, 3017656, 3394863, 4288248, 4526484, 6789726, 9052968, 10184589, 13579452, 20369178, 27158904, 40738356, 81476712]

約数ペア:

[(1, 81476712), (2, 40738356), (3, 27158904), (4, 20369178), (6, 13579452), (8, 10184589), (9, 9052968), (12, 6789726), (18, 4526484), (19, 4288248), (24, 3394863), (27, 3017656), (36, 2263242), (38, 2144124), (54, 1508828), (57, 1429416), (72, 1131621), (76, 1072062), (108, 754414), (114, 714708), (152, 536031), (171, 476472), (216, 377207), (228, 357354), (342, 238236), (456, 178677), (513, 158824), (684, 119118), (1026, 79412), (1368, 59559), (2052, 39706), (4104, 19853)]