177547172

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 368676000

約数和(自身を除く): 191128828

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 121, 172, 209, 242, 418, 449, 473, 484, 817, 836, 898, 946, 1634, 1796, 1892, 2299, 3268, 4598, 4939, 5203, 8531, 8987, 9196, 9878, 10406, 17062, 17974, 19307, 19756, 20812, 34124, 35948, 38614, 54329, 77228, 93841, 98857, 108658, 187682, 197714, 212377, 217316, 366833, 375364, 395428, 424754, 733666, 849508, 1032251, 1467332, 2064502, 2336147, 4035163, 4129004, 4672294, 8070326, 9344588, 16140652, 44386793, 88773586, 177547172]

約数ペア:

[(1, 177547172), (2, 88773586), (4, 44386793), (11, 16140652), (19, 9344588), (22, 8070326), (38, 4672294), (43, 4129004), (44, 4035163), (76, 2336147), (86, 2064502), (121, 1467332), (172, 1032251), (209, 849508), (242, 733666), (418, 424754), (449, 395428), (473, 375364), (484, 366833), (817, 217316), (836, 212377), (898, 197714), (946, 187682), (1634, 108658), (1796, 98857), (1892, 93841), (2299, 77228), (3268, 54329), (4598, 38614), (4939, 35948), (5203, 34124), (8531, 20812), (8987, 19756), (9196, 19307), (9878, 17974), (10406, 17062)]