31779902

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 32501698

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 61, 77, 119, 122, 154, 187, 199, 238, 374, 398, 427, 671, 854, 1037, 1309, 1342, 1393, 2074, 2189, 2618, 2786, 3383, 4378, 4697, 6766, 7259, 9394, 11407, 12139, 14518, 15323, 22814, 23681, 24278, 30646, 37213, 47362, 74426, 79849, 84973, 133529, 159698, 169946, 206363, 260491, 267058, 412726, 520982, 934703, 1444541, 1869406, 2269993, 2889082, 4539986, 15889951, 31779902]

約数ペア:

[(1, 31779902), (2, 15889951), (7, 4539986), (11, 2889082), (14, 2269993), (17, 1869406), (22, 1444541), (34, 934703), (61, 520982), (77, 412726), (119, 267058), (122, 260491), (154, 206363), (187, 169946), (199, 159698), (238, 133529), (374, 84973), (398, 79849), (427, 74426), (671, 47362), (854, 37213), (1037, 30646), (1309, 24278), (1342, 23681), (1393, 22814), (2074, 15323), (2189, 14518), (2618, 12139), (2786, 11407), (3383, 9394), (4378, 7259), (4697, 6766)]