212098726

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 388730880

約数和(自身を除く): 176632154

約数列:

[1, 2, 7, 14, 37, 71, 73, 74, 79, 142, 146, 158, 259, 497, 511, 518, 553, 994, 1022, 1106, 2627, 2701, 2923, 5183, 5254, 5402, 5609, 5767, 5846, 10366, 11218, 11534, 18389, 18907, 20461, 36281, 36778, 37814, 39263, 40369, 40922, 72562, 78526, 80738, 191771, 207533, 213379, 383542, 409457, 415066, 426758, 818914, 1342397, 1452731, 1493653, 2684794, 2866199, 2905462, 2987306, 5732398, 15149909, 30299818, 106049363, 212098726]

約数ペア:

[(1, 212098726), (2, 106049363), (7, 30299818), (14, 15149909), (37, 5732398), (71, 2987306), (73, 2905462), (74, 2866199), (79, 2684794), (142, 1493653), (146, 1452731), (158, 1342397), (259, 818914), (497, 426758), (511, 415066), (518, 409457), (553, 383542), (994, 213379), (1022, 207533), (1106, 191771), (2627, 80738), (2701, 78526), (2923, 72562), (5183, 40922), (5254, 40369), (5402, 39263), (5609, 37814), (5767, 36778), (5846, 36281), (10366, 20461), (11218, 18907), (11534, 18389)]