261655872

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43961}}^1$

素因数の和:44007

約数の個数: 56

約数和(自身を含む): 714646272

約数和(自身を除く): 452990400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 5952, 43961, 87922, 131883, 175844, 263766, 351688, 527532, 703376, 1055064, 1362791, 1406752, 2110128, 2725582, 2813504, 4088373, 4220256, 5451164, 8176746, 8440512, 10902328, 16353492, 21804656, 32706984, 43609312, 65413968, 87218624, 130827936, 261655872]

約数ペア:

[(1, 261655872), (2, 130827936), (3, 87218624), (4, 65413968), (6, 43609312), (8, 32706984), (12, 21804656), (16, 16353492), (24, 10902328), (31, 8440512), (32, 8176746), (48, 5451164), (62, 4220256), (64, 4088373), (93, 2813504), (96, 2725582), (124, 2110128), (186, 1406752), (192, 1362791), (248, 1055064), (372, 703376), (496, 527532), (744, 351688), (992, 263766), (1488, 175844), (1984, 131883), (2976, 87922), (5952, 43961)]