391166464

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3457}}^1$

素因数の和:3505

約数の個数: 80

約数和(自身を含む): 891458568

約数和(自身を除く): 500292104

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 512, 544, 832, 884, 1088, 1664, 1768, 2176, 3328, 3457, 3536, 4352, 6656, 6914, 7072, 8704, 13828, 14144, 27656, 28288, 44941, 55312, 56576, 58769, 89882, 110624, 113152, 117538, 179764, 221248, 235076, 359528, 442496, 470152, 719056, 763997, 884992, 940304, 1438112, 1527994, 1769984, 1880608, 2876224, 3055988, 3761216, 5752448, 6111976, 7522432, 11504896, 12223952, 15044864, 23009792, 24447904, 30089728, 48895808, 97791616, 195583232, 391166464]

約数ペア:

[(1, 391166464), (2, 195583232), (4, 97791616), (8, 48895808), (13, 30089728), (16, 24447904), (17, 23009792), (26, 15044864), (32, 12223952), (34, 11504896), (52, 7522432), (64, 6111976), (68, 5752448), (104, 3761216), (128, 3055988), (136, 2876224), (208, 1880608), (221, 1769984), (256, 1527994), (272, 1438112), (416, 940304), (442, 884992), (512, 763997), (544, 719056), (832, 470152), (884, 442496), (1088, 359528), (1664, 235076), (1768, 221248), (2176, 179764), (3328, 117538), (3457, 113152), (3536, 110624), (4352, 89882), (6656, 58769), (6914, 56576), (7072, 55312), (8704, 44941), (13828, 28288), (14144, 27656)]