263920384

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11329}}^1$

素因数の和:11365

約数の個数: 72

約数和(自身を含む): 648438560

約数和(自身を除く): 384518176

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, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11329, 11648, 22658, 23296, 45316, 79303, 90632, 147277, 158606, 181264, 294554, 317212, 362528, 589108, 634424, 725056, 1030939, 1178216, 1268848, 1450112, 2061878, 2356432, 2537696, 2900224, 4123756, 4712864, 5075392, 8247512, 9425728, 10150784, 16495024, 18851456, 20301568, 32990048, 37702912, 65980096, 131960192, 263920384]

約数ペア:

[(1, 263920384), (2, 131960192), (4, 65980096), (7, 37702912), (8, 32990048), (13, 20301568), (14, 18851456), (16, 16495024), (26, 10150784), (28, 9425728), (32, 8247512), (52, 5075392), (56, 4712864), (64, 4123756), (91, 2900224), (104, 2537696), (112, 2356432), (128, 2061878), (182, 1450112), (208, 1268848), (224, 1178216), (256, 1030939), (364, 725056), (416, 634424), (448, 589108), (728, 362528), (832, 317212), (896, 294554), (1456, 181264), (1664, 158606), (1792, 147277), (2912, 90632), (3328, 79303), (5824, 45316), (11329, 23296), (11648, 22658)]