81566364

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 215550720

約数和(自身を除く): 133984356

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 89, 106, 131, 132, 159, 178, 212, 262, 267, 318, 356, 393, 524, 534, 583, 636, 786, 979, 1068, 1166, 1441, 1572, 1749, 1958, 2332, 2882, 2937, 3498, 3916, 4323, 4717, 5764, 5874, 6943, 6996, 8646, 9434, 11659, 11748, 13886, 14151, 17292, 18868, 20829, 23318, 27772, 28302, 34977, 41658, 46636, 51887, 56604, 69954, 76373, 83316, 103774, 128249, 139908, 152746, 155661, 207548, 229119, 256498, 305492, 311322, 384747, 458238, 512996, 617927, 622644, 769494, 916476, 1235854, 1538988, 1853781, 2471708, 3707562, 6797197, 7415124, 13594394, 20391591, 27188788, 40783182, 81566364]

約数ペア:

[(1, 81566364), (2, 40783182), (3, 27188788), (4, 20391591), (6, 13594394), (11, 7415124), (12, 6797197), (22, 3707562), (33, 2471708), (44, 1853781), (53, 1538988), (66, 1235854), (89, 916476), (106, 769494), (131, 622644), (132, 617927), (159, 512996), (178, 458238), (212, 384747), (262, 311322), (267, 305492), (318, 256498), (356, 229119), (393, 207548), (524, 155661), (534, 152746), (583, 139908), (636, 128249), (786, 103774), (979, 83316), (1068, 76373), (1166, 69954), (1441, 56604), (1572, 51887), (1749, 46636), (1958, 41658), (2332, 34977), (2882, 28302), (2937, 27772), (3498, 23318), (3916, 20829), (4323, 18868), (4717, 17292), (5764, 14151), (5874, 13886), (6943, 11748), (6996, 11659), (8646, 9434)]