172784388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{457}}^1\times {\mathrm{643}}^1$

素因数の和:1121

約数の個数: 72

約数和(自身を含む): 470743392

約数和(自身を除く): 297959004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 457, 588, 643, 914, 1286, 1371, 1828, 1929, 2572, 2742, 3199, 3858, 4501, 5484, 6398, 7716, 9002, 9597, 12796, 13503, 18004, 19194, 22393, 27006, 31507, 38388, 44786, 54012, 63014, 67179, 89572, 94521, 126028, 134358, 189042, 268716, 293851, 378084, 587702, 881553, 1175404, 1763106, 2056957, 3526212, 4113914, 6170871, 8227828, 12341742, 14398699, 24683484, 28797398, 43196097, 57594796, 86392194, 172784388]

約数ペア:

[(1, 172784388), (2, 86392194), (3, 57594796), (4, 43196097), (6, 28797398), (7, 24683484), (12, 14398699), (14, 12341742), (21, 8227828), (28, 6170871), (42, 4113914), (49, 3526212), (84, 2056957), (98, 1763106), (147, 1175404), (196, 881553), (294, 587702), (457, 378084), (588, 293851), (643, 268716), (914, 189042), (1286, 134358), (1371, 126028), (1828, 94521), (1929, 89572), (2572, 67179), (2742, 63014), (3199, 54012), (3858, 44786), (4501, 38388), (5484, 31507), (6398, 27006), (7716, 22393), (9002, 19194), (9597, 18004), (12796, 13503)]