258966656

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8237

約数の個数: 64

約数和(自身を含む): 584908800

約数和(自身を除く): 325942144

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 3952, 7904, 8191, 15808, 16382, 31616, 32764, 65528, 106483, 131056, 155629, 212966, 262112, 311258, 425932, 524224, 622516, 851864, 1048448, 1245032, 1703728, 2023177, 2490064, 3407456, 4046354, 4980128, 6814912, 8092708, 9960256, 13629824, 16185416, 19920512, 32370832, 64741664, 129483328, 258966656]

約数ペア:

[(1, 258966656), (2, 129483328), (4, 64741664), (8, 32370832), (13, 19920512), (16, 16185416), (19, 13629824), (26, 9960256), (32, 8092708), (38, 6814912), (52, 4980128), (64, 4046354), (76, 3407456), (104, 2490064), (128, 2023177), (152, 1703728), (208, 1245032), (247, 1048448), (304, 851864), (416, 622516), (494, 524224), (608, 425932), (832, 311258), (988, 262112), (1216, 212966), (1664, 155629), (1976, 131056), (2432, 106483), (3952, 65528), (7904, 32764), (8191, 31616), (15808, 16382)]