257391696

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{5171}}^1$

素因数の和:5260

約数の個数: 80

約数和(自身を含む): 715722048

約数和(自身を除く): 458330352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 61, 68, 102, 122, 136, 183, 204, 244, 272, 366, 408, 488, 732, 816, 976, 1037, 1464, 2074, 2928, 3111, 4148, 5171, 6222, 8296, 10342, 12444, 15513, 16592, 20684, 24888, 31026, 41368, 49776, 62052, 82736, 87907, 124104, 175814, 248208, 263721, 315431, 351628, 527442, 630862, 703256, 946293, 1054884, 1261724, 1406512, 1892586, 2109768, 2523448, 3785172, 4219536, 5046896, 5362327, 7570344, 10724654, 15140688, 16086981, 21449308, 32173962, 42898616, 64347924, 85797232, 128695848, 257391696]

約数ペア:

[(1, 257391696), (2, 128695848), (3, 85797232), (4, 64347924), (6, 42898616), (8, 32173962), (12, 21449308), (16, 16086981), (17, 15140688), (24, 10724654), (34, 7570344), (48, 5362327), (51, 5046896), (61, 4219536), (68, 3785172), (102, 2523448), (122, 2109768), (136, 1892586), (183, 1406512), (204, 1261724), (244, 1054884), (272, 946293), (366, 703256), (408, 630862), (488, 527442), (732, 351628), (816, 315431), (976, 263721), (1037, 248208), (1464, 175814), (2074, 124104), (2928, 87907), (3111, 82736), (4148, 62052), (5171, 49776), (6222, 41368), (8296, 31026), (10342, 24888), (12444, 20684), (15513, 16592)]