1557291008

素因数分解:

$2^{13}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2135

約数の個数: 112

約数和(自身を含む): 3834932640

約数和(自身を除く): 2277641632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1024, 1456, 1664, 1792, 2048, 2089, 2912, 3328, 3584, 4096, 4178, 5824, 6656, 7168, 8192, 8356, 11648, 13312, 14336, 14623, 16712, 23296, 26624, 27157, 28672, 29246, 33424, 46592, 53248, 54314, 57344, 58492, 66848, 93184, 106496, 108628, 116984, 133696, 186368, 190099, 217256, 233968, 267392, 372736, 380198, 434512, 467936, 534784, 745472, 760396, 869024, 935872, 1069568, 1520792, 1738048, 1871744, 2139136, 3041584, 3476096, 3743488, 4278272, 6083168, 6952192, 7486976, 8556544, 12166336, 13904384, 14973952, 17113088, 24332672, 27808768, 29947904, 48665344, 55617536, 59895808, 97330688, 111235072, 119791616, 194661376, 222470144, 389322752, 778645504, 1557291008]

約数ペア:

[(1, 1557291008), (2, 778645504), (4, 389322752), (7, 222470144), (8, 194661376), (13, 119791616), (14, 111235072), (16, 97330688), (26, 59895808), (28, 55617536), (32, 48665344), (52, 29947904), (56, 27808768), (64, 24332672), (91, 17113088), (104, 14973952), (112, 13904384), (128, 12166336), (182, 8556544), (208, 7486976), (224, 6952192), (256, 6083168), (364, 4278272), (416, 3743488), (448, 3476096), (512, 3041584), (728, 2139136), (832, 1871744), (896, 1738048), (1024, 1520792), (1456, 1069568), (1664, 935872), (1792, 869024), (2048, 760396), (2089, 745472), (2912, 534784), (3328, 467936), (3584, 434512), (4096, 380198), (4178, 372736), (5824, 267392), (6656, 233968), (7168, 217256), (8192, 190099), (8356, 186368), (11648, 133696), (13312, 116984), (14336, 108628), (14623, 106496), (16712, 93184), (23296, 66848), (26624, 58492), (27157, 57344), (28672, 54314), (29246, 53248), (33424, 46592)]