1259784448

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12211}}^1$

素因数の和:12271

約数の個数: 72

約数和(自身を含む): 2795668736

約数和(自身を除く): 1535884288

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 6448, 7936, 12211, 12896, 24422, 25792, 48844, 51584, 97688, 103168, 158743, 195376, 317486, 378541, 390752, 634972, 757082, 781504, 1269944, 1514164, 1563008, 2539888, 3028328, 3126016, 4921033, 5079776, 6056656, 9842066, 10159552, 12113312, 19684132, 20319104, 24226624, 39368264, 40638208, 48453248, 78736528, 96906496, 157473056, 314946112, 629892224, 1259784448]

約数ペア:

[(1, 1259784448), (2, 629892224), (4, 314946112), (8, 157473056), (13, 96906496), (16, 78736528), (26, 48453248), (31, 40638208), (32, 39368264), (52, 24226624), (62, 20319104), (64, 19684132), (104, 12113312), (124, 10159552), (128, 9842066), (208, 6056656), (248, 5079776), (256, 4921033), (403, 3126016), (416, 3028328), (496, 2539888), (806, 1563008), (832, 1514164), (992, 1269944), (1612, 781504), (1664, 757082), (1984, 634972), (3224, 390752), (3328, 378541), (3968, 317486), (6448, 195376), (7936, 158743), (12211, 103168), (12896, 97688), (24422, 51584), (25792, 48844)]