257551476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1039}}^1$

素因数の和:1293

約数の個数: 96

約数和(自身を含む): 743608320

約数和(自身を除く): 486056844

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 227, 273, 364, 454, 546, 681, 908, 1039, 1092, 1362, 1589, 2078, 2724, 2951, 3117, 3178, 4156, 4767, 5902, 6234, 6356, 7273, 8853, 9534, 11804, 12468, 13507, 14546, 17706, 19068, 20657, 21819, 27014, 29092, 35412, 40521, 41314, 43638, 54028, 61971, 81042, 82628, 87276, 94549, 123942, 162084, 189098, 235853, 247884, 283647, 378196, 471706, 567294, 707559, 943412, 1134588, 1415118, 1650971, 2830236, 3066089, 3301942, 4952913, 6132178, 6603884, 9198267, 9905826, 12264356, 18396534, 19811652, 21462623, 36793068, 42925246, 64387869, 85850492, 128775738, 257551476]

約数ペア:

[(1, 257551476), (2, 128775738), (3, 85850492), (4, 64387869), (6, 42925246), (7, 36793068), (12, 21462623), (13, 19811652), (14, 18396534), (21, 12264356), (26, 9905826), (28, 9198267), (39, 6603884), (42, 6132178), (52, 4952913), (78, 3301942), (84, 3066089), (91, 2830236), (156, 1650971), (182, 1415118), (227, 1134588), (273, 943412), (364, 707559), (454, 567294), (546, 471706), (681, 378196), (908, 283647), (1039, 247884), (1092, 235853), (1362, 189098), (1589, 162084), (2078, 123942), (2724, 94549), (2951, 87276), (3117, 82628), (3178, 81042), (4156, 61971), (4767, 54028), (5902, 43638), (6234, 41314), (6356, 40521), (7273, 35412), (8853, 29092), (9534, 27014), (11804, 21819), (12468, 20657), (13507, 19068), (14546, 17706)]