978026406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 2423316480

約数和(自身を除く): 1445290074

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 73, 103, 114, 133, 146, 163, 206, 219, 266, 309, 326, 399, 438, 489, 511, 618, 721, 798, 978, 1022, 1141, 1387, 1442, 1533, 1957, 2163, 2282, 2774, 3066, 3097, 3423, 3914, 4161, 4326, 5871, 6194, 6846, 7519, 8322, 9291, 9709, 11742, 11899, 13699, 15038, 16789, 18582, 19418, 21679, 22557, 23798, 27398, 29127, 33578, 35697, 41097, 43358, 45114, 50367, 52633, 58254, 65037, 71394, 82194, 83293, 100734, 105266, 117523, 130074, 142861, 157899, 166586, 226081, 235046, 249879, 285722, 315798, 318991, 352569, 428583, 452162, 499758, 637982, 678243, 705138, 857166, 956973, 1000027, 1225597, 1356486, 1582567, 1913946, 2000054, 2232937, 2451194, 3000081, 3165134, 3676791, 4465874, 4747701, 6000162, 6698811, 7353582, 8579179, 9495402, 13397622, 17158358, 23286343, 25737537, 46572686, 51475074, 69859029, 139718058, 163004401, 326008802, 489013203, 978026406]

約数ペア:

[(1, 978026406), (2, 489013203), (3, 326008802), (6, 163004401), (7, 139718058), (14, 69859029), (19, 51475074), (21, 46572686), (38, 25737537), (42, 23286343), (57, 17158358), (73, 13397622), (103, 9495402), (114, 8579179), (133, 7353582), (146, 6698811), (163, 6000162), (206, 4747701), (219, 4465874), (266, 3676791), (309, 3165134), (326, 3000081), (399, 2451194), (438, 2232937), (489, 2000054), (511, 1913946), (618, 1582567), (721, 1356486), (798, 1225597), (978, 1000027), (1022, 956973), (1141, 857166), (1387, 705138), (1442, 678243), (1533, 637982), (1957, 499758), (2163, 452162), (2282, 428583), (2774, 352569), (3066, 318991), (3097, 315798), (3423, 285722), (3914, 249879), (4161, 235046), (4326, 226081), (5871, 166586), (6194, 157899), (6846, 142861), (7519, 130074), (8322, 117523), (9291, 105266), (9709, 100734), (11742, 83293), (11899, 82194), (13699, 71394), (15038, 65037), (16789, 58254), (18582, 52633), (19418, 50367), (21679, 45114), (22557, 43358), (23798, 41097), (27398, 35697), (29127, 33578)]