261299376

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1439}}^1$

素因数の和:1563

約数の個数: 120

約数和(自身を含む): 796199040

約数和(自身を除く): 534899664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 97, 104, 117, 144, 156, 194, 208, 234, 291, 312, 388, 468, 582, 624, 776, 873, 936, 1164, 1261, 1439, 1552, 1746, 1872, 2328, 2522, 2878, 3492, 3783, 4317, 4656, 5044, 5756, 6984, 7566, 8634, 10088, 11349, 11512, 12951, 13968, 15132, 17268, 18707, 20176, 22698, 23024, 25902, 30264, 34536, 37414, 45396, 51804, 56121, 60528, 69072, 74828, 90792, 103608, 112242, 139583, 149656, 168363, 181584, 207216, 224484, 279166, 299312, 336726, 418749, 448968, 558332, 673452, 837498, 897936, 1116664, 1256247, 1346904, 1674996, 1814579, 2233328, 2512494, 2693808, 3349992, 3629158, 5024988, 5443737, 6699984, 7258316, 10049976, 10887474, 14516632, 16331211, 20099952, 21774948, 29033264, 32662422, 43549896, 65324844, 87099792, 130649688, 261299376]

約数ペア:

[(1, 261299376), (2, 130649688), (3, 87099792), (4, 65324844), (6, 43549896), (8, 32662422), (9, 29033264), (12, 21774948), (13, 20099952), (16, 16331211), (18, 14516632), (24, 10887474), (26, 10049976), (36, 7258316), (39, 6699984), (48, 5443737), (52, 5024988), (72, 3629158), (78, 3349992), (97, 2693808), (104, 2512494), (117, 2233328), (144, 1814579), (156, 1674996), (194, 1346904), (208, 1256247), (234, 1116664), (291, 897936), (312, 837498), (388, 673452), (468, 558332), (582, 448968), (624, 418749), (776, 336726), (873, 299312), (936, 279166), (1164, 224484), (1261, 207216), (1439, 181584), (1552, 168363), (1746, 149656), (1872, 139583), (2328, 112242), (2522, 103608), (2878, 90792), (3492, 74828), (3783, 69072), (4317, 60528), (4656, 56121), (5044, 51804), (5756, 45396), (6984, 37414), (7566, 34536), (8634, 30264), (10088, 25902), (11349, 23024), (11512, 22698), (12951, 20176), (13968, 18707), (15132, 17268)]