28591472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 69370560

約数和(自身を除く): 40779088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 208, 269, 292, 364, 511, 538, 584, 728, 949, 1022, 1076, 1168, 1456, 1883, 1898, 2044, 2152, 3497, 3766, 3796, 4088, 4304, 6643, 6994, 7532, 7592, 8176, 13286, 13988, 15064, 15184, 19637, 24479, 26572, 27976, 30128, 39274, 48958, 53144, 55952, 78548, 97916, 106288, 137459, 157096, 195832, 255281, 274918, 314192, 391664, 510562, 549836, 1021124, 1099672, 1786967, 2042248, 2199344, 3573934, 4084496, 7147868, 14295736, 28591472]

約数ペア:

[(1, 28591472), (2, 14295736), (4, 7147868), (7, 4084496), (8, 3573934), (13, 2199344), (14, 2042248), (16, 1786967), (26, 1099672), (28, 1021124), (52, 549836), (56, 510562), (73, 391664), (91, 314192), (104, 274918), (112, 255281), (146, 195832), (182, 157096), (208, 137459), (269, 106288), (292, 97916), (364, 78548), (511, 55952), (538, 53144), (584, 48958), (728, 39274), (949, 30128), (1022, 27976), (1076, 26572), (1168, 24479), (1456, 19637), (1883, 15184), (1898, 15064), (2044, 13988), (2152, 13286), (3497, 8176), (3766, 7592), (3796, 7532), (4088, 6994), (4304, 6643)]