257823088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 552152160

約数和(自身を除く): 294329072

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 61, 68, 82, 122, 136, 164, 244, 272, 328, 379, 488, 656, 697, 758, 976, 1037, 1394, 1516, 2074, 2501, 2788, 3032, 4148, 5002, 5576, 6064, 6443, 8296, 10004, 11152, 12886, 15539, 16592, 20008, 23119, 25772, 31078, 40016, 42517, 46238, 51544, 62156, 85034, 92476, 103088, 124312, 170068, 184952, 248624, 264163, 340136, 369904, 393023, 528326, 680272, 786046, 947879, 1056652, 1572092, 1895758, 2113304, 3144184, 3791516, 4226608, 6288368, 7583032, 15166064, 16113943, 32227886, 64455772, 128911544, 257823088]

約数ペア:

[(1, 257823088), (2, 128911544), (4, 64455772), (8, 32227886), (16, 16113943), (17, 15166064), (34, 7583032), (41, 6288368), (61, 4226608), (68, 3791516), (82, 3144184), (122, 2113304), (136, 1895758), (164, 1572092), (244, 1056652), (272, 947879), (328, 786046), (379, 680272), (488, 528326), (656, 393023), (697, 369904), (758, 340136), (976, 264163), (1037, 248624), (1394, 184952), (1516, 170068), (2074, 124312), (2501, 103088), (2788, 92476), (3032, 85034), (4148, 62156), (5002, 51544), (5576, 46238), (6064, 42517), (6443, 40016), (8296, 31078), (10004, 25772), (11152, 23119), (12886, 20008), (15539, 16592)]